From c3f8f23c1d5d0f366bec33881b688a29604149f8 Mon Sep 17 00:00:00 2001
From: bbldrizzy <bbldrizzy@users.noreply.github.com>
Date: Fri, 23 Oct 2026 08:36:42 +0100
Subject: [PATCH] fixed bugs, memory leaks, etc

---
 build-injector.ps1                            |  6 +-
 injector/crates/loader/src/bridge.rs          | 33 +++++++
 injector/crates/loader/src/jni.rs             | 25 +++++
 injector/crates/loader/src/worker.rs          | 14 ++-
 .../zprestige/prestige/client/Prestige.java   | 35 +++++--
 .../zprestige/prestige/combat/BotFilter.java  |  2 +-
 .../combat/ExplosionDamageCalculator.java     |  8 ++
 .../prestige/combat/TargetTracker.java        |  2 +-
 .../config/ClasspathResourcePack.java         | 19 +++-
 .../prestige/data/OutlineCaptureConsumer.java |  2 +-
 .../prestige/event/ModuleStateSync.java       | 23 +++--
 .../prestige/gui/HudEditorScreen.java         | 14 ++-
 .../hud/ModuleNotificationsElement.java       |  7 +-
 .../zprestige/prestige/hud/TargetElement.java | 12 ++-
 .../zprestige/prestige/inject/Bootstrap.java  | 29 ++++++
 .../prestige/inject/NativeBridge.java         |  3 +
 .../prestige/input/KeybindManager.java        | 52 +++++-----
 .../prestige/inventory/InventoryUtil.java     |  7 +-
 .../prestige/math/BlockChangeTracker.java     |  8 +-
 .../prestige/math/LegacyParticlePhysics.java  |  2 +-
 .../prestige/math/PopParticlePhysics.java     |  2 +-
 .../mixin/AbstractBlockStateMixin.java        |  2 +-
 .../AbstractClientPlayerEntityMixin.java      |  2 +-
 .../zprestige/prestige/mixin/BlockMixin.java  |  2 +-
 .../zprestige/prestige/mixin/CameraMixin.java | 16 ++-
 .../mixin/ChunkOcclusionDataBuilderMixin.java |  2 +-
 .../prestige/mixin/ClientConnectionMixin.java |  2 +-
 .../mixin/ClientPlayNetworkHandlerMixin.java  |  7 +-
 .../zprestige/prestige/mixin/EntityMixin.java |  4 +-
 .../prestige/mixin/EntityRendererMixin.java   |  5 +-
 .../prestige/mixin/FogRendererMixin.java      |  4 +-
 .../prestige/mixin/GameRendererMixin.java     | 15 +--
 .../prestige/mixin/HeldItemRendererMixin.java |  2 +-
 .../prestige/mixin/InGameHudMixin.java        |  6 +-
 .../prestige/mixin/ItemStackMixin.java        |  4 +-
 .../mixin/LightmapTextureManagerMixin.java    |  2 +-
 .../mixin/ModelCommandRendererMixin.java      |  4 +-
 .../zprestige/prestige/mixin/MouseMixin.java  |  2 +-
 .../prestige/mixin/ParticleManagerMixin.java  |  2 +-
 .../prestige/mixin/PlayerListEntryMixin.java  |  2 +-
 .../prestige/mixin/SkyRenderingMixin.java     |  2 +-
 .../mixin/TextDisplayEntityRendererMixin.java |  2 +-
 .../prestige/mixin/TextVisitFactoryMixin.java |  2 +-
 .../prestige/mixin/WorldChunkMixin.java       |  2 +-
 .../zprestige/prestige/mixin/WorldMixin.java  |  4 +-
 .../prestige/module/combat/AimAssist.java     |  9 +-
 .../module/combat/AnchorExploder.java         |  2 +-
 .../prestige/module/combat/AnchorMacro.java   |  6 +-
 .../prestige/module/combat/AnchorPlacer.java  |  2 +-
 .../prestige/module/combat/AntiBot.java       | 42 +++++---
 .../prestige/module/combat/AutoAnchor.java    |  2 +-
 .../prestige/module/combat/DoubleAnchor.java  |  2 +-
 .../prestige/module/combat/SafeAnchor.java    |  2 +-
 .../prestige/module/misc/AutoArmor.java       |  4 +
 .../prestige/module/misc/AutoPickaxe.java     |  2 +-
 .../prestige/module/misc/AutoPot.java         |  2 +-
 .../prestige/module/misc/AutoText.java        |  4 +
 .../prestige/module/misc/AutoTool.java        |  2 +-
 .../prestige/module/misc/CartRefill.java      |  6 +-
 .../prestige/module/misc/CartStealer.java     |  4 +
 .../prestige/module/misc/ChestStealer.java    |  4 +
 .../prestige/module/misc/Criticals.java       | 19 +++-
 .../module/misc/CrystalOptimizer.java         |  2 +-
 .../prestige/module/misc/EnemyFaker.java      | 59 ++++++++---
 .../prestige/module/misc/FastPlace.java       |  4 +
 .../prestige/module/misc/Friends.java         |  6 +-
 .../prestige/module/misc/KeyPearl.java        |  2 +-
 .../prestige/module/misc/NameHider.java       | 10 +-
 .../prestige/module/misc/Refill.java          |  4 +
 .../prestige/module/misc/SelfDestruct.java    | 59 +++++++++--
 .../zprestige/prestige/module/misc/Teams.java |  5 +
 .../module/movement/AutoJumpReset.java        |  4 +
 .../module/movement/AutoShortPearl.java       |  7 +-
 .../prestige/module/movement/FakeLag.java     | 24 ++++-
 .../prestige/module/movement/FastBridge.java  | 12 +++
 .../prestige/module/movement/Freecam.java     |  4 +-
 .../prestige/module/movement/NoJumpDelay.java |  4 +
 .../prestige/module/movement/Parkour.java     |  2 +-
 .../prestige/module/movement/ShortPearl.java  |  6 +-
 .../prestige/module/movement/Velocity.java    | 16 +--
 .../prestige/module/movement/WTap.java        |  8 +-
 .../module/spear/SpearMaceDoubleTap.java      | 20 ++--
 .../prestige/module/visual/Animations.java    |  4 +
 .../module/visual/AntiResourcePack.java       |  6 +-
 .../prestige/module/visual/FreeLook.java      |  6 +-
 .../prestige/module/visual/HitEffect.java     | 53 +++++++---
 .../prestige/module/visual/ItemESP.java       |  7 ++
 .../prestige/module/visual/NameTags.java      | 11 +++
 .../prestige/module/visual/OreSimulation.java | 19 ++++
 .../module/visual/PearlTrajectory.java        |  7 ++
 .../module/visual/ShieldRenderer.java         |  9 ++
 .../prestige/module/visual/Trajectories.java  | 73 +++++++-------
 .../prestige/module/visual/TwoDESP.java       |  5 +-
 .../prestige/network/BlockChangeListener.java |  9 ++
 .../prestige/network/PacketSender.java        |  4 +-
 .../prestige/network/SilentSlotManager.java   | 18 ++--
 .../prestige/network/TotemPopManager.java     | 15 ++-
 .../prestige/reflect/FieldAccessor.java       |  8 ++
 .../prestige/reflect/MappedField.java         |  4 +
 .../prestige/reflect/ReflectionBase.java      | 21 ++--
 .../prestige/render/BufferSource.java         | 18 +++-
 .../prestige/render/DrawCommandQueue.java     | 98 +++++++++++--------
 .../prestige/render/DrawPipeline.java         | 20 ++--
 .../prestige/render/EspShaderManager.java     | 12 ++-
 .../prestige/render/GlTextureHandle.java      | 14 +++
 .../zprestige/prestige/render/MsdfFont.java   | 51 +++++-----
 .../prestige/render/Notification.java         |  3 +-
 .../zprestige/prestige/render/PostShader.java | 23 +++--
 .../zprestige/prestige/render/RenderCore.java | 50 +++++-----
 .../prestige/render/RenderEvents.java         |  9 +-
 .../prestige/render/RoundedTextureShader.java |  3 +-
 .../prestige/render/ShaderCompiler.java       | 22 +++--
 .../render/SilentRotationManager.java         |  5 +-
 .../render/StorageOutlineRenderer.java        | 21 ++--
 .../prestige/render/TextureLoader.java        |  3 +-
 .../zprestige/prestige/social/MojangApi.java  |  4 +
 .../zprestige/prestige/ui/ConfigsPage.java    |  3 +-
 .../java/dev/zprestige/prestige/ui/Data.java  |  1 +
 .../dev/zprestige/prestige/ui/DetailPage.java |  3 +-
 .../zprestige/prestige/ui/LocalConfigs.java   | 10 +-
 .../zprestige/prestige/ui/WidgetsPage.java    |  2 +-
 .../dev/zprestige/prestige/ui/mc/Entry.java   |  1 +
 .../dev/zprestige/prestige/ui/mc/Overlay.java | 46 ++++++---
 .../zprestige/prestige/world/BlockUtil.java   |  5 +-
 124 files changed, 1060 insertions(+), 420 deletions(-)

diff --git a/build-injector.ps1 b/build-injector.ps1
index 9a9258d..a9f4f89 100644
--- a/build-injector.ps1
+++ b/build-injector.ps1
@@ -1,15 +1,13 @@
 # Builds the Prestige payload jar (remapped for the production Fabric runtime), then the Rust injector and loader DLL,
 # and collects PrestigeInjector.exe + prestige_native.dll in dist\.
-$ErrorActionPreference = 'Stop'
+# native tools write progress/notes to stderr; failures are detected through $LASTEXITCODE instead
+$ErrorActionPreference = 'Continue'
 Set-Location $PSScriptRoot
 if (Test-Path 'C:\Program Files\Eclipse Adoptium\jdk-21.0.12.101-hotspot') { $env:JAVA_HOME = 'C:\Program Files\Eclipse Adoptium\jdk-21.0.12.101-hotspot' }
 & .\gradlew.bat remapJar --console=plain
 if ($LASTEXITCODE -ne 0) { throw 'gradle remapJar failed' }
-# cargo reports progress on stderr, which PowerShell would treat as an error under 'Stop'
-$ErrorActionPreference = 'Continue'
 cargo build --release --manifest-path injector\Cargo.toml
 if ($LASTEXITCODE -ne 0) { throw 'cargo build failed' }
-$ErrorActionPreference = 'Stop'
 New-Item -ItemType Directory -Force dist | Out-Null
 Copy-Item injector\target\release\PrestigeInjector.exe, injector\target\release\prestige_native.dll dist\ -Force
 Write-Host 'Done: dist\PrestigeInjector.exe + dist\prestige_native.dll'
diff --git a/injector/crates/loader/src/bridge.rs b/injector/crates/loader/src/bridge.rs
index 0160bee..c61e665 100644
--- a/injector/crates/loader/src/bridge.rs
+++ b/injector/crates/loader/src/bridge.rs
@@ -8,6 +8,8 @@ static JVMTI: AtomicPtr<*const *const c_void> = AtomicPtr::new(std::ptr::null_mu
 /// jclass whose bytes the ClassFileLoadHook should capture during the current RetransformClasses call (0 = none).
 static CAPTURE_TARGET: AtomicUsize = AtomicUsize::new(0);
 static CAPTURED: Mutex<Option<Vec<u8>>> = Mutex::new(None);
+/// Serialises classBytes calls: CAPTURE_TARGET holds a thread-local jclass reference, so only one thread may capture at a time.
+static CAPTURE_LOCK: Mutex<()> = Mutex::new(());
 
 /// Acquires the JVMTI capabilities and enables the class file load hook. Called once from the worker thread.
 pub unsafe fn init_jvmti(vm: VmPtr) -> Result<(), String> {
@@ -56,6 +58,7 @@ pub unsafe extern "system" fn native_class_bytes(env: EnvPtr, _cls: JClass, targ
     if jvmti.is_null() {
         return std::ptr::null_mut();
     }
+    let _serial = CAPTURE_LOCK.lock();
     if let Ok(mut slot) = CAPTURED.lock() {
         *slot = None;
     }
@@ -86,6 +89,9 @@ pub unsafe extern "system" fn native_redefine(env: EnvPtr, _cls: JClass, target:
     }
     let jni = Jni::new(env);
     let len = jni.get_array_length(bytes);
+    if len < 0 {
+        return -1;
+    }
     let mut buf = vec![0u8; len as usize];
     jni.get_byte_array_region(bytes, 0, len, buf.as_mut_ptr());
     let def = ClassDefinition { klass: target, class_byte_count: len, class_bytes: buf.as_ptr() };
@@ -104,3 +110,30 @@ pub unsafe extern "system" fn native_log(env: EnvPtr, _cls: JClass, message: JOb
     let text = Jni::new(env).get_string_utf(message);
     crate::log!("[java] {text}");
 }
+
+extern "system" {
+    fn FreeLibraryAndExitThread(module: *mut c_void, exit_code: u32) -> !;
+}
+
+/// void release(): stops the JVMTI hook and unloads this DLL after a short delay (self destruct).
+/// Java must not call any native of NativeBridge afterwards.
+pub unsafe extern "system" fn native_release(env: EnvPtr, cls: JClass) {
+    let jvmti = JVMTI.swap(std::ptr::null_mut(), Ordering::SeqCst);
+    if !jvmti.is_null() {
+        if let Err(e) = disable_class_file_load_hook(jvmti) {
+            crate::log!("release: {e}");
+        }
+    }
+    // Late calls from Java then throw UnsatisfiedLinkError instead of jumping into the unmapped DLL.
+    let rc = Jni::new(env).unregister_natives(cls);
+    if rc != JNI_OK {
+        crate::log!("release: UnregisterNatives failed ({rc})");
+    }
+    crate::log!("[java] released, unloading the loader");
+    let module = crate::MODULE as usize;
+    // The thread below runs code from this DLL until FreeLibraryAndExitThread; the delay lets in-flight native calls return.
+    let _ = std::thread::Builder::new().name("prestige-unload".into()).spawn(move || {
+        std::thread::sleep(std::time::Duration::from_millis(2000));
+        FreeLibraryAndExitThread(module as *mut c_void, 0);
+    });
+}
diff --git a/injector/crates/loader/src/jni.rs b/injector/crates/loader/src/jni.rs
index 8ee91f1..bb2ccb0 100644
--- a/injector/crates/loader/src/jni.rs
+++ b/injector/crates/loader/src/jni.rs
@@ -123,6 +123,9 @@ impl Jni {
     pub unsafe fn register_natives(&self, c: JClass, methods: &[NativeMethod]) -> JInt {
         f!(self, 215, unsafe extern "system" fn(EnvPtr, JClass, *const NativeMethod, JInt) -> JInt)(self.env, c, methods.as_ptr(), methods.len() as JInt)
     }
+    pub unsafe fn unregister_natives(&self, c: JClass) -> JInt {
+        f!(self, 216, unsafe extern "system" fn(EnvPtr, JClass) -> JInt)(self.env, c)
+    }
     pub unsafe fn exception_check(&self) -> bool {
         f!(self, 228, unsafe extern "system" fn(EnvPtr) -> JBool)(self.env) != 0
     }
@@ -168,6 +171,12 @@ pub unsafe fn attach_current_thread(vm: VmPtr) -> Result<EnvPtr, String> {
     Ok(env)
 }
 
+/// Detaches the current thread (it must not hold Java frames); a thread attached from native code has to detach before it ends.
+pub unsafe fn detach_current_thread(vm: VmPtr) {
+    let detach = std::mem::transmute::<*const c_void, unsafe extern "system" fn(VmPtr) -> JInt>(*(*vm).add(5));
+    detach(vm);
+}
+
 pub unsafe fn get_jvmti(vm: VmPtr) -> Result<JvmtiPtr, String> {
     let get_env = std::mem::transmute::<*const c_void, unsafe extern "system" fn(VmPtr, *mut *mut c_void, JInt) -> JInt>(*(*vm).add(6));
     let mut out: *mut c_void = std::ptr::null_mut();
@@ -253,3 +262,19 @@ pub unsafe fn redefine_class(j: JvmtiPtr, def: &ClassDefinition) -> JInt {
     let f = std::mem::transmute::<*const c_void, unsafe extern "system" fn(JvmtiPtr, JInt, *const ClassDefinition) -> JInt>(*(*j).add(86));
     f(j, 1, def)
 }
+
+/// Disables the ClassFileLoadHook event and clears the callback table, so the JVM no longer calls into this DLL.
+pub unsafe fn disable_class_file_load_hook(j: JvmtiPtr) -> Result<(), String> {
+    let set_mode = std::mem::transmute::<*const c_void, unsafe extern "C" fn(JvmtiPtr, JInt, JInt, JObject, ...) -> JInt>(*(*j).add(1));
+    let rc = set_mode(j, 0, EVENT_CLASS_FILE_LOAD_HOOK, std::ptr::null_mut());
+    if rc != 0 {
+        return Err(format!("SetEventNotificationMode(disable) failed ({rc})"));
+    }
+    let callbacks = [0usize; 40];
+    let set_callbacks = std::mem::transmute::<*const c_void, unsafe extern "system" fn(JvmtiPtr, *const usize, JInt) -> JInt>(*(*j).add(121));
+    let rc = set_callbacks(j, callbacks.as_ptr(), std::mem::size_of_val(&callbacks) as JInt);
+    if rc != 0 {
+        return Err(format!("SetEventCallbacks(clear) failed ({rc})"));
+    }
+    Ok(())
+}
diff --git a/injector/crates/loader/src/worker.rs b/injector/crates/loader/src/worker.rs
index 77b532c..c28901e 100644
--- a/injector/crates/loader/src/worker.rs
+++ b/injector/crates/loader/src/worker.rs
@@ -1,5 +1,5 @@
 //! The loader worker: JVM discovery, payload installation into Fabric's Knot class loader, native registration, bootstrap.
-use crate::bridge::{init_jvmti, native_class_bytes, native_log, native_redefine};
+use crate::bridge::{init_jvmti, native_class_bytes, native_log, native_redefine, native_release};
 use crate::jni::*;
 use crate::log;
 use std::ffi::{c_char, c_void};
@@ -28,6 +28,13 @@ pub fn run() {
 unsafe fn install() -> Result<(), String> {
     let vm = find_vm()?;
     let env = attach_current_thread(vm)?;
+    struct Detach(VmPtr);
+    impl Drop for Detach {
+        fn drop(&mut self) {
+            unsafe { detach_current_thread(self.0) }
+        }
+    }
+    let _detach = Detach(vm);
     let jni = Jni::new(env);
     log!("attached to the JVM");
 
@@ -160,6 +167,11 @@ unsafe fn register_natives(jni: &Jni, loader: JObject) -> Result<(), String> {
             signature: c"(Ljava/lang/Class;[B)I".as_ptr(),
             fn_ptr: native_redefine as *const () as usize as *mut c_void,
         },
+        NativeMethod {
+            name: c"release".as_ptr(),
+            signature: c"()V".as_ptr(),
+            fn_ptr: native_release as *const () as usize as *mut c_void,
+        },
         NativeMethod {
             name: c"log".as_ptr(),
             signature: c"(Ljava/lang/String;)V".as_ptr(),
diff --git a/src/main/java/dev/zprestige/prestige/client/Prestige.java b/src/main/java/dev/zprestige/prestige/client/Prestige.java
index 5077a55..b90d100 100644
--- a/src/main/java/dev/zprestige/prestige/client/Prestige.java
+++ b/src/main/java/dev/zprestige/prestige/client/Prestige.java
@@ -40,6 +40,7 @@ import net.minecraft.client.gui.screen.ChatScreen;
 
 public class Prestige implements ModInitializer {
     private static final AtomicBoolean initialized = new AtomicBoolean(false);
+    private static final java.util.concurrent.atomic.AtomicInteger renderErrorCount = new java.util.concurrent.atomic.AtomicInteger();
     public static EventBus eventBus;
     public static FontManager fontManager;
     public static ModuleManager moduleManager;
@@ -95,23 +96,31 @@ public class Prestige implements ModInitializer {
                 .register(
                     (RenderCallback)(hudRenderer, hudContext) -> {
                         if (!selfDestructed) {
-                            if (MinecraftClient.getInstance().world != null && MinecraftClient.getInstance().player != null) {
-                                if ((MinecraftAccess.mc.currentScreen == null || MinecraftAccess.mc.currentScreen instanceof ChatScreen)
-                                    && eventBus.hasListeners(Render2DEvent.class)) {
-                                    new Render2DEvent((hudRenderer), (hudContext)).post();
-                                }
+                            try {
+                                if (MinecraftClient.getInstance().world != null && MinecraftClient.getInstance().player != null) {
+                                    if ((MinecraftAccess.mc.currentScreen == null || MinecraftAccess.mc.currentScreen instanceof ChatScreen)
+                                        && eventBus.hasListeners(Render2DEvent.class)) {
+                                        new Render2DEvent((hudRenderer), (hudContext)).post();
+                                    }
 
-                                new FrameEvent((hudRenderer), (hudContext)).post();
-                                ShapeRenderer.flushDrawQueue();
+                                    new FrameEvent((hudRenderer), (hudContext)).post();
+                                    ShapeRenderer.flushDrawQueue();
+                                }
+                            } catch (Throwable error) {
+                                logRenderError(error);
                             }
                         }
                     }
                 );
             RenderEvents.WORLD_RENDER.register((RenderCallback)(worldRenderer, worldContext) -> {
                 if (!selfDestructed) {
-                    if (MinecraftClient.getInstance().world != null && MinecraftClient.getInstance().player != null) {
-                        Render2D.captureViewport();
-                        new Render3DEvent((worldRenderer), (worldContext)).post();
+                    try {
+                        if (MinecraftClient.getInstance().world != null && MinecraftClient.getInstance().player != null) {
+                            Render2D.captureViewport();
+                            new Render3DEvent((worldRenderer), (worldContext)).post();
+                        }
+                    } catch (Throwable error) {
+                        logRenderError(error);
                     }
                 }
             });
@@ -125,6 +134,12 @@ public class Prestige implements ModInitializer {
         }
     }
 
+    public static void logRenderError(Throwable error) {
+        if (renderErrorCount.getAndIncrement() < 5) {
+            error.printStackTrace();
+        }
+    }
+
     public static boolean needsWorldRender() {
         return EspShaderManager.enabled || eventBus != null && eventBus.hasListeners(Render3DEvent.class);
     }
diff --git a/src/main/java/dev/zprestige/prestige/combat/BotFilter.java b/src/main/java/dev/zprestige/prestige/combat/BotFilter.java
index d6554f2..e58369b 100644
--- a/src/main/java/dev/zprestige/prestige/combat/BotFilter.java
+++ b/src/main/java/dev/zprestige/prestige/combat/BotFilter.java
@@ -29,7 +29,7 @@ public class BotFilter implements MinecraftAccess {
     public void onClientTick(ClientTickEvent event) {
         this.validityCache.clear();
         if (!this.validatedPlayers.isEmpty()) {
-            this.validatedPlayers.removeIf(player -> !((net.minecraft.entity.Entity)player).isAlive());
+            this.validatedPlayers.removeIf(player -> !((net.minecraft.entity.Entity)player).isAlive() || ((net.minecraft.entity.Entity)player).isRemoved());
         }
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/combat/ExplosionDamageCalculator.java b/src/main/java/dev/zprestige/prestige/combat/ExplosionDamageCalculator.java
index 4dc1e01..6e5deda 100644
--- a/src/main/java/dev/zprestige/prestige/combat/ExplosionDamageCalculator.java
+++ b/src/main/java/dev/zprestige/prestige/combat/ExplosionDamageCalculator.java
@@ -73,6 +73,10 @@ public class ExplosionDamageCalculator implements MinecraftAccess {
     }
 
     public double getCrystalDamage(LivingEntity target, Vec3d crystalPos, boolean predictMotion, BlockPos obsidianPos, boolean ignoreTerrain) {
+        if (mc.world == null || mc.player == null || mc.getNetworkHandler() == null) {
+            return 0.0;
+        }
+
         long worldTime = mc.world.getTime();
         if (worldTime != this.cacheTime) {
             this.damageCache.clear();
@@ -305,6 +309,10 @@ public class ExplosionDamageCalculator implements MinecraftAccess {
     }
 
     private double getExposureWithOffset(Vec3d source, Entity entity, Vec3d boxOffset, RaycastContext context, BlockPos obsidianPos, boolean ignoreTerrain, BlockPos airPos, BlockPos placedBlockPos, BlockState placedBlockState) {
+        if (context == null) {
+            context = this.raycastContext = new RaycastContext(null, null, ShapeType.COLLIDER, FluidHandling.ANY, mc.player);
+        }
+
         Box box = entity.getBoundingBox();
         if (boxOffset != null) {
             box = box.offset(boxOffset.x, boxOffset.y, boxOffset.z);
diff --git a/src/main/java/dev/zprestige/prestige/combat/TargetTracker.java b/src/main/java/dev/zprestige/prestige/combat/TargetTracker.java
index 75e0f36..76c0d80 100644
--- a/src/main/java/dev/zprestige/prestige/combat/TargetTracker.java
+++ b/src/main/java/dev/zprestige/prestige/combat/TargetTracker.java
@@ -22,7 +22,7 @@ public class TargetTracker implements MinecraftAccess {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (this.target != null && (mc.world == null || !this.target.isAlive() || this.target.distanceTo(mc.player) > 15.0F || System.currentTimeMillis() - this.lastAttackTime > 5000L)) {
+        if (this.target != null && (mc.world == null || mc.player == null || !this.target.isAlive() || this.target.distanceTo(mc.player) > 15.0F || System.currentTimeMillis() - this.lastAttackTime > 5000L)) {
             this.target = null;
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/config/ClasspathResourcePack.java b/src/main/java/dev/zprestige/prestige/config/ClasspathResourcePack.java
index 278719a..c74f1d3 100644
--- a/src/main/java/dev/zprestige/prestige/config/ClasspathResourcePack.java
+++ b/src/main/java/dev/zprestige/prestige/config/ClasspathResourcePack.java
@@ -1,7 +1,9 @@
 package dev.zprestige.prestige.config;
 
 import dev.zprestige.prestige.client.Prestige;
+import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Optional;
 import java.util.Set;
 import net.minecraft.resource.InputSupplier;
@@ -33,7 +35,7 @@ public class ClasspathResourcePack implements ResourcePack {
 
     @Override
     public Set getNamespaces(ResourceType type) {
-        return null;
+        return Set.of();
     }
 
     @Nullable
@@ -61,15 +63,24 @@ public class ClasspathResourcePack implements ResourcePack {
     public void close() {
     }
 
+    private static InputStream openOrThrow(String path) throws IOException {
+        InputStream stream = Prestige.class.getClassLoader().getResourceAsStream(path);
+        if (stream == null) {
+            throw new FileNotFoundException(path);
+        }
+
+        return stream;
+    }
+
     public static Resource createAssetResource(Identifier id) {
-        return new Resource(new ClasspathResourcePack(), () -> Prestige.class.getClassLoader().getResourceAsStream("assets/prestige/" + id.getPath()));
+        return new Resource(new ClasspathResourcePack(), () -> openOrThrow("assets/prestige/" + id.getPath()));
     }
 
     public static Resource createResource(String path) {
-        return new Resource(new ClasspathResourcePack(), () -> Prestige.class.getClassLoader().getResourceAsStream(path));
+        return new Resource(new ClasspathResourcePack(), () -> openOrThrow(path));
     }
 
     public static InputSupplier createInputSupplier(String path) {
-        return () -> Prestige.class.getClassLoader().getResourceAsStream(path);
+        return () -> openOrThrow(path);
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/data/OutlineCaptureConsumer.java b/src/main/java/dev/zprestige/prestige/data/OutlineCaptureConsumer.java
index 9109d18..c1662ec 100644
--- a/src/main/java/dev/zprestige/prestige/data/OutlineCaptureConsumer.java
+++ b/src/main/java/dev/zprestige/prestige/data/OutlineCaptureConsumer.java
@@ -24,7 +24,7 @@ public record OutlineCaptureConsumer(MeshBuilder writer) implements VertexConsum
 
     @Override
     public VertexConsumer lineWidth(float width) {
-        return null;
+        return this;
     }
 
     @Override
diff --git a/src/main/java/dev/zprestige/prestige/event/ModuleStateSync.java b/src/main/java/dev/zprestige/prestige/event/ModuleStateSync.java
index 9cf41b3..aa47fe9 100644
--- a/src/main/java/dev/zprestige/prestige/event/ModuleStateSync.java
+++ b/src/main/java/dev/zprestige/prestige/event/ModuleStateSync.java
@@ -14,7 +14,14 @@ public class ModuleStateSync {
         super();
         this.hudDrawn = false;
         Prestige.eventBus.register(this);
-        RenderEvents.HUD_RENDER.register((RenderCallback)(renderer, context) -> this.hudDrawn = Prestige.hudEditorScreen.renderHud(renderer, context));
+        RenderEvents.HUD_RENDER.register((RenderCallback)(renderer, context) -> {
+            try {
+                this.hudDrawn = Prestige.hudEditorScreen.renderHud(renderer, context);
+            } catch (Throwable error) {
+                this.hudDrawn = false;
+                Prestige.logRenderError(error);
+            }
+        });
     }
 
     @Subscribe
@@ -23,12 +30,16 @@ public class ModuleStateSync {
 
         for (Module module : (Iterable<Module>)(Prestige.moduleManager.getModules())) {
             boolean enabled = module.isEnabled();
-            if (enabled && !module.getLastEnabled()) {
-                module.applyState();
-            }
+            try {
+                if (enabled && !module.getLastEnabled()) {
+                    module.applyState();
+                }
 
-            if (!enabled && module.getLastEnabled()) {
-                module.applyState();
+                if (!enabled && module.getLastEnabled()) {
+                    module.applyState();
+                }
+            } catch (Throwable error) {
+                error.printStackTrace();
             }
 
             module.setLastEnabled(enabled);
diff --git a/src/main/java/dev/zprestige/prestige/gui/HudEditorScreen.java b/src/main/java/dev/zprestige/prestige/gui/HudEditorScreen.java
index 2dd7c3d..0d044cc 100644
--- a/src/main/java/dev/zprestige/prestige/gui/HudEditorScreen.java
+++ b/src/main/java/dev/zprestige/prestige/gui/HudEditorScreen.java
@@ -102,8 +102,12 @@ public class HudEditorScreen extends BaseScreen {
         this.lastFrameTime = System.currentTimeMillis();
         RenderEvents.HUD_RENDER.register((RenderCallback)(renderBatch, renderMatrices) -> {
             if (MinecraftAccess.mc.currentScreen == this) {
-                Mouse mouse = MinecraftAccess.mc.mouse;
-                this.renderEditor(renderBatch, renderMatrices, (int)Math.round(mouse.getX() / MinecraftAccess.mc.getWindow().getScaleFactor()), (int)Math.round(mouse.getY() / MinecraftAccess.mc.getWindow().getScaleFactor()), Render2D.getTickDelta());
+                try {
+                    Mouse mouse = MinecraftAccess.mc.mouse;
+                    this.renderEditor(renderBatch, renderMatrices, (int)Math.round(mouse.getX() / MinecraftAccess.mc.getWindow().getScaleFactor()), (int)Math.round(mouse.getY() / MinecraftAccess.mc.getWindow().getScaleFactor()), Render2D.getTickDelta());
+                } catch (Throwable error) {
+                    Prestige.logRenderError(error);   // do not let an editor render error reach the game loop
+                }
             }
         });
     }
@@ -456,7 +460,11 @@ public class HudEditorScreen extends BaseScreen {
                         hudElement.resolvePosition();
                     }
 
-                    hudElement.render(batch, matrices, matrix);
+                    try {
+                        hudElement.render(batch, matrices, matrix);
+                    } catch (Throwable error) {
+                        Prestige.logRenderError(error);   // one broken element must not take down the whole HUD
+                    }
                     renderedAny = true;
                 }
             }
diff --git a/src/main/java/dev/zprestige/prestige/hud/ModuleNotificationsElement.java b/src/main/java/dev/zprestige/prestige/hud/ModuleNotificationsElement.java
index 79126bc..1efbf69 100644
--- a/src/main/java/dev/zprestige/prestige/hud/ModuleNotificationsElement.java
+++ b/src/main/java/dev/zprestige/prestige/hud/ModuleNotificationsElement.java
@@ -65,6 +65,9 @@ public class ModuleNotificationsElement extends HudElement {
         }
 
         this.notifications.add(new ModuleToast(title, message, type));
+        while (this.notifications.size() > 32) {
+            this.notifications.remove(0);   // toasts only expire while the HUD is drawn; keep the list bounded
+        }
     }
 
     @Override
@@ -186,7 +189,9 @@ public class ModuleNotificationsElement extends HudElement {
                 RoundedRectShader.drawRoundedRect(batch, cameraData, matrix, toastX, toastY, toastWidth, toastHeight, backgroundColor, 4.0F);
                 GlTextureHandle typeIcon = this.getTypeIcon(toast.type);
                 float iconX = rightAligned ? toastRight - 5.5F - 10.0F : toastX + 5.5F;
-                RoundedTextureShader.drawTexture(batch, cameraData, matrix, typeIcon, iconX, toastY + (toastHeight - 10.0F) / 2.0F, 10.0F, 10.0F, iconColor);
+                if (typeIcon != null) {
+                    RoundedTextureShader.drawTexture(batch, cameraData, matrix, typeIcon, iconX, toastY + (toastHeight - 10.0F) / 2.0F, 10.0F, 10.0F, iconColor);
+                }
                 float titleWidth = Prestige.fontManager.getDefaultFont().getTextWidth(toast.title) * 0.9F;
                 float messageWidth = Prestige.fontManager.getDefaultFont().getTextWidth(toast.message) * 0.75F;
                 float titleX = rightAligned ? iconX - 3.0F - titleWidth : iconX + 10.0F + 3.0F;
diff --git a/src/main/java/dev/zprestige/prestige/hud/TargetElement.java b/src/main/java/dev/zprestige/prestige/hud/TargetElement.java
index 35a5bf4..0cc9b60 100644
--- a/src/main/java/dev/zprestige/prestige/hud/TargetElement.java
+++ b/src/main/java/dev/zprestige/prestige/hud/TargetElement.java
@@ -74,7 +74,7 @@ public class TargetElement extends HudElement {
         this.frameTimeMs = System.currentTimeMillis() - this.lastFrameTime;
         this.lastFrameTime = System.currentTimeMillis();
         PlayerEntity targetPlayer = mc.currentScreen instanceof HudEditorScreen ? mc.player : Prestige.targetTracker.getTarget();
-        if (targetPlayer != null && (targetPlayer.getUuid() == null || mc.getNetworkHandler().getPlayerListEntry(targetPlayer.getUuid()) == null)) {
+        if (targetPlayer != null && (mc.getNetworkHandler() == null || targetPlayer.getUuid() == null || mc.getNetworkHandler().getPlayerListEntry(targetPlayer.getUuid()) == null)) {
             targetPlayer = null;
         }
 
@@ -99,9 +99,17 @@ public class TargetElement extends HudElement {
 
                 this.targetName = targetPlayer.getName().getString();
                 float rawHealth = targetPlayer.getHealth() + targetPlayer.getAbsorptionAmount();
+                if (!Float.isFinite(rawHealth)) {
+                    rawHealth = 0.0F;   // NaN/Infinity health (server-controlled) would make floorToDecimals throw
+                }
+
                 this.health = (float)Math.ceil(rawHealth);
-                this.healthFraction = this.getHealthFraction(targetPlayer);
+                this.healthFraction = UiMath.clamp(rawHealth / 20.0F, 0.0F, 1.0F);
                 this.distance = mc.player != null ? targetPlayer.distanceTo(mc.player) : 0.0F;
+                if (!Float.isFinite(this.distance)) {
+                    this.distance = 0.0F;
+                }
+
                 if (this.targetUuid == null || !this.targetUuid.equals(targetPlayer.getUuid())) {
                     this.targetUuid = targetPlayer.getUuid();
                     this.displayedHealth = this.health;
diff --git a/src/main/java/dev/zprestige/prestige/inject/Bootstrap.java b/src/main/java/dev/zprestige/prestige/inject/Bootstrap.java
index 28cf532..3da9d28 100644
--- a/src/main/java/dev/zprestige/prestige/inject/Bootstrap.java
+++ b/src/main/java/dev/zprestige/prestige/inject/Bootstrap.java
@@ -8,6 +8,7 @@ import dev.zprestige.prestige.ui.mc.Entry;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 import java.util.function.ToIntBiFunction;
 import net.fabricmc.loader.api.FabricLoader;
@@ -22,6 +23,8 @@ import net.minecraft.client.MinecraftClient;
  */
 public final class Bootstrap {
     private static boolean started;
+    /** Class bytes as they were before the hooks, kept so self destruct can put the game classes back. */
+    private static final Map<Class<?>, byte[]> ORIGINALS = new ConcurrentHashMap<>();
 
     private Bootstrap() {}
 
@@ -85,6 +88,7 @@ public final class Bootstrap {
                 for (byte[] helper : result.helpers().values()) Definer.define(helper);
                 int code = redefine.applyAsInt(type, result.target());
                 if (code != 0) throw new IllegalStateException("redefine returned JVMTI error " + code);
+                ORIGINALS.put(type, current);
                 report.redefined++;
                 report.moved += result.movedMethods();
             } catch (Throwable t) {
@@ -96,6 +100,31 @@ public final class Bootstrap {
         return report;
     }
 
+    /** True when this client was injected, i.e. hooks were applied through JVMTI and can be taken out again. */
+    public static boolean isInjected() {
+        return !ORIGINALS.isEmpty();
+    }
+
+    /**
+     * Self destruct, part 1: redefines every hooked class back to its original bytes so no game code references the client any
+     * more. Returns the number of classes that could not be restored.
+     */
+    public static int uninstall() {
+        int failed = 0;
+        for (Map.Entry<Class<?>, byte[]> entry : ORIGINALS.entrySet()) {
+            try {
+                int code = NativeBridge.redefine(entry.getKey(), entry.getValue());
+                if (code != 0) throw new IllegalStateException("JVMTI error " + code);
+                ORIGINALS.remove(entry.getKey());
+            } catch (Throwable t) {
+                failed++;
+                log("could not restore " + entry.getKey().getName() + ": " + t);
+            }
+        }
+        log("hooks removed" + (failed == 0 ? "" : ", " + failed + " classes could not be restored"));
+        return failed;
+    }
+
     private static void initClient() {
         try {
             new Prestige().onInitialize();
diff --git a/src/main/java/dev/zprestige/prestige/inject/NativeBridge.java b/src/main/java/dev/zprestige/prestige/inject/NativeBridge.java
index fb77435..d0725fd 100644
--- a/src/main/java/dev/zprestige/prestige/inject/NativeBridge.java
+++ b/src/main/java/dev/zprestige/prestige/inject/NativeBridge.java
@@ -10,6 +10,9 @@ public final class NativeBridge {
     /** Appends a line to prestige-native.log, which the injector tails to show progress. */
     public static native void log(String message);
 
+    /** Disables the class file load hook and unloads prestige_native.dll shortly afterwards; nothing may call the natives after this. */
+    public static native void release();
+
     /** JVMTI RedefineClasses for one class; returns the JVMTI error code, 0 on success. */
     public static native int redefine(Class<?> type, byte[] bytes);
 }
diff --git a/src/main/java/dev/zprestige/prestige/input/KeybindManager.java b/src/main/java/dev/zprestige/prestige/input/KeybindManager.java
index 922e45c..5577a4a 100644
--- a/src/main/java/dev/zprestige/prestige/input/KeybindManager.java
+++ b/src/main/java/dev/zprestige/prestige/input/KeybindManager.java
@@ -32,22 +32,26 @@ public class KeybindManager implements MinecraftAccess {
         }
 
         for (Module module : (Iterable<Module>)(Prestige.moduleManager.getModules())) {
-            int moduleKey = VirtualKeyMapper.toGlfwKey(module.getKey());
-            if (module.getKeybind().isHoldMode()) {
-                if (module.isEnabled() && mc.currentScreen != null) {
-                    module.toggle();
-                } else if (event.getAction() == 0) {
-                    if (module.isEnabled() && moduleKey == event.getKey()) {
+            try {
+                int moduleKey = VirtualKeyMapper.toGlfwKey(module.getKey());
+                if (module.getKeybind().isHoldMode()) {
+                    if (module.isEnabled() && mc.currentScreen != null) {
+                        module.toggle();
+                    } else if (event.getAction() == 0) {
+                        if (module.isEnabled() && moduleKey == event.getKey()) {
+                            module.toggle();
+                        }
+                    } else if (event.getAction() == 1 && mc.currentScreen == null && !module.isEnabled() && moduleKey == event.getKey()) {
                         module.toggle();
                     }
-                } else if (event.getAction() == 1 && mc.currentScreen == null && !module.isEnabled() && moduleKey == event.getKey()) {
+                } else if (mc.currentScreen == null
+                    && module.getKey() != -1
+                    && event.getAction() == 1
+                    && moduleKey == event.getKey()) {
                     module.toggle();
                 }
-            } else if (mc.currentScreen == null
-                && module.getKey() != -1
-                && event.getAction() == 1
-                && moduleKey == event.getKey()) {
-                module.toggle();
+            } catch (Throwable error) {
+                error.printStackTrace();
             }
         }
     }
@@ -73,20 +77,24 @@ public class KeybindManager implements MinecraftAccess {
 
     @Subscribe
     public void onMouseButton(MouseButtonEvent event) {
-        if (!Prestige.simulatedClickManager.isSimulated(event.getButton())) {
+        if (Prestige.simulatedClickManager != null && !Prestige.simulatedClickManager.isSimulated(event.getButton())) {
             for (Module module : (Iterable<Module>)(Prestige.moduleManager.getModules())) {
-                if (module.getKey() != -1
-                    && MOUSE_KEYCODE_TO_BUTTON.containsKey(module.getKey())
-                    && (Integer)MOUSE_KEYCODE_TO_BUTTON.get(module.getKey()) == event.getButton()) {
-                    if (module.getKeybind().isHoldMode()) {
-                        if (event.getAction() == 1 && mc.currentScreen == null && !module.isEnabled()) {
-                            module.toggle();
-                        } else if (event.getAction() == 0 && module.isEnabled()) {
+                try {
+                    if (module.getKey() != -1
+                        && MOUSE_KEYCODE_TO_BUTTON.containsKey(module.getKey())
+                        && (Integer)MOUSE_KEYCODE_TO_BUTTON.get(module.getKey()) == event.getButton()) {
+                        if (module.getKeybind().isHoldMode()) {
+                            if (event.getAction() == 1 && mc.currentScreen == null && !module.isEnabled()) {
+                                module.toggle();
+                            } else if (event.getAction() == 0 && module.isEnabled()) {
+                                module.toggle();
+                            }
+                        } else if (mc.currentScreen == null && event.getAction() == 1) {
                             module.toggle();
                         }
-                    } else if (mc.currentScreen == null && event.getAction() == 1) {
-                        module.toggle();
                     }
+                } catch (Throwable error) {
+                    error.printStackTrace();
                 }
             }
         }
diff --git a/src/main/java/dev/zprestige/prestige/inventory/InventoryUtil.java b/src/main/java/dev/zprestige/prestige/inventory/InventoryUtil.java
index 2661532..39123a4 100644
--- a/src/main/java/dev/zprestige/prestige/inventory/InventoryUtil.java
+++ b/src/main/java/dev/zprestige/prestige/inventory/InventoryUtil.java
@@ -7,6 +7,7 @@ import java.util.List;
 import net.minecraft.block.Block;
 import net.minecraft.client.gui.screen.ingame.InventoryScreen;
 import net.minecraft.component.DataComponentTypes;
+import net.minecraft.component.type.PotionContentsComponent;
 import net.minecraft.entity.effect.StatusEffectInstance;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
@@ -210,8 +211,12 @@ public class InventoryUtil implements MinecraftAccess {
 
     public static boolean hasEffect(ItemStack stack, RegistryEntry effect) {
         boolean found = false;
+        PotionContentsComponent contents = stack.get(DataComponentTypes.POTION_CONTENTS);
+        if (contents == null) {
+            return false;
+        }
 
-        for (StatusEffectInstance instance : stack.get(DataComponentTypes.POTION_CONTENTS).getEffects()) {
+        for (StatusEffectInstance instance : contents.getEffects()) {
             if (instance.getEffectType() == effect) {
                 found = true;
             }
diff --git a/src/main/java/dev/zprestige/prestige/math/BlockChangeTracker.java b/src/main/java/dev/zprestige/prestige/math/BlockChangeTracker.java
index ba0035e..e5aa908 100644
--- a/src/main/java/dev/zprestige/prestige/math/BlockChangeTracker.java
+++ b/src/main/java/dev/zprestige/prestige/math/BlockChangeTracker.java
@@ -3,15 +3,15 @@ package dev.zprestige.prestige.math;
 import dev.zprestige.prestige.client.Prestige;
 import dev.zprestige.prestige.network.BlockChangeListener;
 import dev.zprestige.prestige.render.MinecraftAccess;
-import java.util.HashMap;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.Map;
 import java.util.Map.Entry;
 import net.minecraft.util.math.BlockPos;
 
 public final class BlockChangeTracker implements MinecraftAccess {
-    public static final Map CLEARED_BLOCKS = new HashMap();
-    public static final Map EXPLOSIONS = new HashMap();
-    public static final Map PLACED_BLOCKS = new HashMap();
+    public static final Map CLEARED_BLOCKS = new ConcurrentHashMap();
+    public static final Map EXPLOSIONS = new ConcurrentHashMap();
+    public static final Map PLACED_BLOCKS = new ConcurrentHashMap();
     private static boolean listenerRegistered;
 
     private BlockChangeTracker() {
diff --git a/src/main/java/dev/zprestige/prestige/math/LegacyParticlePhysics.java b/src/main/java/dev/zprestige/prestige/math/LegacyParticlePhysics.java
index a5a3e5e..f25a837 100644
--- a/src/main/java/dev/zprestige/prestige/math/LegacyParticlePhysics.java
+++ b/src/main/java/dev/zprestige/prestige/math/LegacyParticlePhysics.java
@@ -8,7 +8,7 @@ import net.minecraft.util.math.Vec3d;
 public class LegacyParticlePhysics extends HitParticlePhysics {
     @Override
     public void updateMotion(HitParticle particle, boolean physicsEnabled) {
-        if (!physicsEnabled) {
+        if (!physicsEnabled || MinecraftAccess.mc.world == null) {
             this.applyLegacyMotion(particle);
         } else {
             if (!this.isPassable(MinecraftAccess.mc.world.getBlockState(BlockPos.ofFloored(particle.pos.x, particle.pos.y, particle.pos.z + particle.velocity.z)))) {
diff --git a/src/main/java/dev/zprestige/prestige/math/PopParticlePhysics.java b/src/main/java/dev/zprestige/prestige/math/PopParticlePhysics.java
index 72d69ca..8b57f5c 100644
--- a/src/main/java/dev/zprestige/prestige/math/PopParticlePhysics.java
+++ b/src/main/java/dev/zprestige/prestige/math/PopParticlePhysics.java
@@ -8,7 +8,7 @@ import net.minecraft.util.math.Vec3d;
 public class PopParticlePhysics extends HitParticlePhysics {
     @Override
     public void updateMotion(HitParticle particle, boolean physicsEnabled) {
-        if (!physicsEnabled) {
+        if (!physicsEnabled || MinecraftAccess.mc.world == null) {
             this.applyPopMotion(particle);
         } else {
             if (!this.isPassable(MinecraftAccess.mc.world.getBlockState(BlockPos.ofFloored(particle.pos.x, particle.pos.y, particle.pos.z + particle.velocity.z)))) {
diff --git a/src/main/java/dev/zprestige/prestige/mixin/AbstractBlockStateMixin.java b/src/main/java/dev/zprestige/prestige/mixin/AbstractBlockStateMixin.java
index 1848637..68becb7 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/AbstractBlockStateMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/AbstractBlockStateMixin.java
@@ -19,7 +19,7 @@ public class AbstractBlockStateMixin {
         cancellable = true
     )
     private void overrideAmbientOcclusionLightLevelAtReturn(BlockView blockView, BlockPos blockPos, InjectionCallback cir) {
-        if (HookBridge.hasAmbientOcclusionListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasAmbientOcclusionListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
             BlockVisibilityEvent event = HookBridge.createAmbientOcclusionEvent(null);
             if (HookBridge.postAmbientOcclusionEvent(event)) {
                 cir.setReturnValue(1.0F);
diff --git a/src/main/java/dev/zprestige/prestige/mixin/AbstractClientPlayerEntityMixin.java b/src/main/java/dev/zprestige/prestige/mixin/AbstractClientPlayerEntityMixin.java
index 8b791a8..ab2a99d 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/AbstractClientPlayerEntityMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/AbstractClientPlayerEntityMixin.java
@@ -18,7 +18,7 @@ public class AbstractClientPlayerEntityMixin {
         cancellable = true
     )
     private void overridePlayerSkinAtGetSkinReturn(InjectionCallback ci) {
-        if (HookBridge.hasPlayerSkinListeners(Prestige.eventBus, SkinTexturesEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasPlayerSkinListeners(Prestige.eventBus, SkinTexturesEvent.class)) {
             SkinTexturesEvent event = HookBridge.createPlayerSkinEvent((SkinTextures)ci.getReturnValue(), ((AbstractClientPlayerEntity)(Object)this).getName().getString());
             if (HookBridge.postPlayerSkinEvent(event)) {
                 ci.setReturnValue(HookBridge.getPlayerSkinTextures(event));
diff --git a/src/main/java/dev/zprestige/prestige/mixin/BlockMixin.java b/src/main/java/dev/zprestige/prestige/mixin/BlockMixin.java
index 679dd96..660b59b 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/BlockMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/BlockMixin.java
@@ -19,7 +19,7 @@ public class BlockMixin {
         cancellable = true
     )
     public static void overrideShouldDrawSideAtHead(BlockState state, BlockState otherState, Direction side, InjectionCallback cir) {
-        if (HookBridge.hasDrawSideListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasDrawSideListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
             BlockVisibilityEvent event = HookBridge.createDrawSideEvent(state.getBlock());
             if (HookBridge.postDrawSideEvent(event)) {
                 cir.setReturnValue(HookBridge.shouldDrawSide(event));
diff --git a/src/main/java/dev/zprestige/prestige/mixin/CameraMixin.java b/src/main/java/dev/zprestige/prestige/mixin/CameraMixin.java
index 31ac256..88d32a3 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/CameraMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/CameraMixin.java
@@ -18,12 +18,15 @@ public class CameraMixin {
         cancellable = true
     )
     private void overrideCameraPosAtSetPosHead(double x, double y, double z, InjectionCallback ci) {
-        if (!CameraPositionEvent.applyingOverride && HookBridge.hasCameraPosListeners(Prestige.eventBus, CameraPositionEvent.class)) {
+        if (!CameraPositionEvent.applyingOverride && Prestige.eventBus != null && HookBridge.hasCameraPosListeners(Prestige.eventBus, CameraPositionEvent.class)) {
             CameraPositionEvent event = HookBridge.createCameraPosEvent(x, y, z);
             if (HookBridge.postCameraPosEvent(event)) {
                 CameraPositionEvent.applyingOverride = true;
-                HookBridge.setCameraPos(HookBridge.createCameraPosAccessor((Camera)(Object)this), HookBridge.getCameraPosX(event), HookBridge.getCameraPosY(event), HookBridge.getCameraPosZ(event));
-                CameraPositionEvent.applyingOverride = false;
+                try {
+                    HookBridge.setCameraPos(HookBridge.createCameraPosAccessor((Camera)(Object)this), HookBridge.getCameraPosX(event), HookBridge.getCameraPosY(event), HookBridge.getCameraPosZ(event));
+                } finally {
+                    CameraPositionEvent.applyingOverride = false;
+                }
                 ci.cancel();
             }
         }
@@ -39,8 +42,11 @@ public class CameraMixin {
             CameraRotationEvent event = HookBridge.createCameraRotationEvent(yaw, pitch);
             if (HookBridge.postCameraRotationEvent(event)) {
                 CameraRotationEvent.applyingOverride = true;
-                HookBridge.setCameraRotation(HookBridge.createCameraRotationAccessor((Camera)(Object)this), HookBridge.getCameraYaw(event), HookBridge.getCameraPitch(event));
-                CameraRotationEvent.applyingOverride = false;
+                try {
+                    HookBridge.setCameraRotation(HookBridge.createCameraRotationAccessor((Camera)(Object)this), HookBridge.getCameraYaw(event), HookBridge.getCameraPitch(event));
+                } finally {
+                    CameraRotationEvent.applyingOverride = false;
+                }
                 ci.cancel();
             }
         }
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ChunkOcclusionDataBuilderMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ChunkOcclusionDataBuilderMixin.java
index dd5fa2f..df650cb 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ChunkOcclusionDataBuilderMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ChunkOcclusionDataBuilderMixin.java
@@ -18,7 +18,7 @@ public class ChunkOcclusionDataBuilderMixin {
         cancellable = true
     )
     private void skipChunkOcclusionAtMarkClosedHead(BlockPos pos, InjectionCallback ci) {
-        if (HookBridge.hasChunkOcclusionListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasChunkOcclusionListeners(Prestige.eventBus, BlockVisibilityEvent.class)) {
             if (HookBridge.postChunkOcclusionEvent(HookBridge.createChunkOcclusionEvent(null))) {
                 ci.cancel();
             }
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ClientConnectionMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ClientConnectionMixin.java
index d83a68e..13b2f26 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ClientConnectionMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ClientConnectionMixin.java
@@ -20,7 +20,7 @@ public class ClientConnectionMixin {
         cancellable = true
     )
     private static <T extends PacketListener> void postPacketReceiveEventAtHandlePacketHead(Packet<T> packet, PacketListener listener, InjectionCallback ci) {
-        if (HookBridge.hasPacketReceiveListeners(Prestige.eventBus, PacketReceiveEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasPacketReceiveListeners(Prestige.eventBus, PacketReceiveEvent.class)) {
             PacketReceiveEvent event = HookBridge.createPacketReceiveEvent(packet);
             if (HookBridge.postPacketReceiveEvent(event)) {
                 ci.cancel();
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ClientPlayNetworkHandlerMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ClientPlayNetworkHandlerMixin.java
index aadac8b..bb1b7d6 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ClientPlayNetworkHandlerMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ClientPlayNetworkHandlerMixin.java
@@ -34,7 +34,12 @@ public class ClientPlayNetworkHandlerMixin {
         target = {@CTarget("TAIL")}
     )
     private void postChunkDataEventAtTail(ChunkDataS2CPacket packet, InjectionCallback info) {
+        if (this.world == null) {
+            return;
+        }
         WorldChunk chunk = this.world.getChunk(packet.getChunkX(), packet.getChunkZ());
-        HookBridge.postChunkDataEvent(HookBridge.createChunkDataEvent(chunk));
+        if (chunk != null) {
+            HookBridge.postChunkDataEvent(HookBridge.createChunkDataEvent(chunk));
+        }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/mixin/EntityMixin.java b/src/main/java/dev/zprestige/prestige/mixin/EntityMixin.java
index 1da5f50..ca4af2f 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/EntityMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/EntityMixin.java
@@ -55,8 +55,8 @@ public abstract class EntityMixin {
     )
     private void overrideBoundingBoxAtReturn(InjectionCallback cir) {
         Entity entity = (Entity)(Object)this;
-        if (entity != null) {
-            if (HookBridge.hasBoundingBoxListeners(Prestige.eventBus, BoundingBoxEvent.class)) {
+        if (entity != null && MinecraftClient.getInstance().player != null) {
+            if (Prestige.eventBus != null && HookBridge.hasBoundingBoxListeners(Prestige.eventBus, BoundingBoxEvent.class)) {
                 Box box = (Box)cir.getReturnValue();
                 BoundingBoxEvent event = HookBridge.createBoundingBoxEvent(entity, box);
                 if (HookBridge.postBoundingBoxEvent(event)) {
diff --git a/src/main/java/dev/zprestige/prestige/mixin/EntityRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/EntityRendererMixin.java
index 03a88da..e3e060c 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/EntityRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/EntityRendererMixin.java
@@ -52,7 +52,7 @@ public abstract class EntityRendererMixin<T extends Entity, S extends EntityRend
         cancellable = true
     )
     private void forceFullSkyLightAtReturn(T entity, BlockPos pos, InjectionCallback cir) {
-        if (HookBridge.hasEntitySkyLightListeners(Prestige.eventBus, FullBrightEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasEntitySkyLightListeners(Prestige.eventBus, FullBrightEvent.class)) {
             FullBrightEvent event = HookBridge.createEntitySkyLightEvent();
             if (HookBridge.postEntitySkyLightEvent(event)) {
                 cir.setReturnValue(15);
@@ -76,6 +76,9 @@ public abstract class EntityRendererMixin<T extends Entity, S extends EntityRend
                     LabelTextEvent labelTextEvent = HookBridge.createLabelTextEvent(entity, originalDisplayName);
                     boolean labelTextCancelled = HookBridge.postLabelTextEvent(labelTextEvent);
                     displayName = HookBridge.getLabelText(labelTextEvent);
+                    if (displayName == null) {
+                        displayName = originalDisplayName;
+                    }
                     if (!labelTextCancelled) {
                         HealthIndicatorEvent event = HookBridge.createHealthIndicatorEvent(player, "");
                         if (HookBridge.postHealthIndicatorEvent(event)) {
diff --git a/src/main/java/dev/zprestige/prestige/mixin/FogRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/FogRendererMixin.java
index 2b26ff0..d87f915 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/FogRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/FogRendererMixin.java
@@ -35,7 +35,7 @@ public class FogRendererMixin {
         float cloudEnd,
         InjectionCallback ci
     ) {
-        if (HookBridge.hasFogBufferListeners(Prestige.eventBus, FogEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasFogBufferListeners(Prestige.eventBus, FogEvent.class)) {
             FogEvent event = HookBridge.createFogBufferEvent(0.0F, 0.0F, Color.WHITE);
             if (HookBridge.postFogBufferEvent(event)) {
                 Vector4f color = HookBridge.createFogBufferColor(
@@ -66,7 +66,7 @@ public class FogRendererMixin {
         cancellable = true
     )
     private void overrideFogColorAtApplyFogTail(Camera camera, int viewDistance, RenderTickCounter tickCounter, float tickProgress, ClientWorld world, InjectionCallback ci) {
-        if (HookBridge.hasFogColorListeners(Prestige.eventBus, FogEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasFogColorListeners(Prestige.eventBus, FogEvent.class)) {
             FogEvent event = HookBridge.createFogColorEvent(0.0F, 0.0F, Color.WHITE);
             if (HookBridge.postFogColorEvent(event)) {
                 Color fogColor = HookBridge.getFogColor(event);
diff --git a/src/main/java/dev/zprestige/prestige/mixin/GameRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/GameRendererMixin.java
index 07dd131..e3cad81 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/GameRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/GameRendererMixin.java
@@ -101,11 +101,14 @@ public class GameRendererMixin {
             Camera camera = this.client.gameRenderer.getCamera();
             MatrixStack matrixStack = HookBridge.createCameraMatrixStack();
             RenderSystem.getModelViewStack().pushMatrix().mul(matrixStack.peek().getPositionMatrix());
-            matrixStack.multiply(RotationAxis.POSITIVE_X.rotationDegrees(camera.getPitch()));
-            matrixStack.multiply(RotationAxis.POSITIVE_Y.rotationDegrees(camera.getYaw() + 180.0F));
-            dev.zprestige.prestige.render.Render2D.modelViewMatrix.set(RenderSystem.getModelViewMatrix());
-            dev.zprestige.prestige.render.Render2D.cameraRotationMatrix.set(matrixStack.peek().getPositionMatrix());
-            RenderSystem.getModelViewStack().popMatrix();
+            try {
+                matrixStack.multiply(RotationAxis.POSITIVE_X.rotationDegrees(camera.getPitch()));
+                matrixStack.multiply(RotationAxis.POSITIVE_Y.rotationDegrees(camera.getYaw() + 180.0F));
+                dev.zprestige.prestige.render.Render2D.modelViewMatrix.set(RenderSystem.getModelViewMatrix());
+                dev.zprestige.prestige.render.Render2D.cameraRotationMatrix.set(matrixStack.peek().getPositionMatrix());
+            } finally {
+                RenderSystem.getModelViewStack().popMatrix();
+            }
         }
     }
 
@@ -147,7 +150,7 @@ public class GameRendererMixin {
         if (Prestige.eventBus != null && HookBridge.hasReachListeners(Prestige.eventBus, ReachEvent.class)) {
             Entity entity2 = this.client.getCameraEntity();
             if (entity2 != null) {
-                if (this.client.world != null) {
+                if (this.client.world != null && this.client.player != null) {
                     Profilers.get().push("pick");
                     this.client.targetedEntity = null;
                     double reach = HookBridge.getBaseReachDistance();
diff --git a/src/main/java/dev/zprestige/prestige/mixin/HeldItemRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/HeldItemRendererMixin.java
index eb4c28f..7cbfe53 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/HeldItemRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/HeldItemRendererMixin.java
@@ -19,7 +19,7 @@ public abstract class HeldItemRendererMixin {
         cancellable = true
     )
     private void postSwingArmEventAtHead(float swingProgress, MatrixStack matrixStack, int i, Arm arm, InjectionCallback ci) {
-        if (HookBridge.hasSwingArmListeners(Prestige.eventBus, SwingArmEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasSwingArmListeners(Prestige.eventBus, SwingArmEvent.class)) {
             SwingArmEvent event = HookBridge.createSwingArmEvent(matrixStack, arm, swingProgress, 1.0F);
             if (HookBridge.postSwingArmEvent(event)) {
                 matrixStack.scale(2.0F, 2.0F, 2.0F);
diff --git a/src/main/java/dev/zprestige/prestige/mixin/InGameHudMixin.java b/src/main/java/dev/zprestige/prestige/mixin/InGameHudMixin.java
index 0b8c3a4..2f4da3d 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/InGameHudMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/InGameHudMixin.java
@@ -34,7 +34,7 @@ public class InGameHudMixin {
         cancellable = true
     )
     private void hideCrosshairAtHead(DrawContext context, RenderTickCounter tickCounter, InjectionCallback ci) {
-        if (HookBridge.hasCrosshairRenderListeners(Prestige.eventBus, RenderCrosshairEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasCrosshairRenderListeners(Prestige.eventBus, RenderCrosshairEvent.class)) {
             RenderCrosshairEvent event = HookBridge.createCrosshairRenderEvent();
             if (HookBridge.postCrosshairRenderEvent(event)) {
                 ci.cancel();
@@ -48,7 +48,7 @@ public class InGameHudMixin {
         cancellable = true
     )
     private void hideScoreboardSidebarAtHead(DrawContext context, RenderTickCounter counter, InjectionCallback ci) {
-        if (HookBridge.hasScoreboardRenderListeners(Prestige.eventBus, RenderScoreboardEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasScoreboardRenderListeners(Prestige.eventBus, RenderScoreboardEvent.class)) {
             if (HookBridge.postScoreboardRenderEvent(HookBridge.createScoreboardRenderEvent())) {
                 ci.cancel();
             }
@@ -61,7 +61,7 @@ public class InGameHudMixin {
         cancellable = true
     )
     private void hideOverlayMessageAtHead(DrawContext context, RenderTickCounter tickCounter, InjectionCallback ci) {
-        if (HookBridge.hasOverlayMessageListeners(Prestige.eventBus, OverlayMessageEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasOverlayMessageListeners(Prestige.eventBus, OverlayMessageEvent.class)) {
             if (HookBridge.postOverlayMessageEvent(HookBridge.createOverlayMessageEvent())) {
                 ci.cancel();
             }
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ItemStackMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ItemStackMixin.java
index f1c2e4f..4c45179 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ItemStackMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ItemStackMixin.java
@@ -17,7 +17,7 @@ public class ItemStackMixin {
         cancellable = true
     )
     private void suppressGetBobbingAnimationTimeAtHead(InjectionCallback info) {
-        if (HookBridge.hasGetBobbingTimeListeners(Prestige.eventBus, ItemBobbingEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasGetBobbingTimeListeners(Prestige.eventBus, ItemBobbingEvent.class)) {
             if (HookBridge.postGetBobbingTimeEvent(HookBridge.createGetBobbingTimeEvent())) {
                 info.setReturnValue(0);
             }
@@ -30,7 +30,7 @@ public class ItemStackMixin {
         cancellable = true
     )
     public void suppressSetBobbingAnimationTimeAtHead(int bobbingAnimationTime, InjectionCallback ci) {
-        if (HookBridge.hasSetBobbingTimeListeners(Prestige.eventBus, ItemBobbingEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasSetBobbingTimeListeners(Prestige.eventBus, ItemBobbingEvent.class)) {
             if (HookBridge.postSetBobbingTimeEvent(HookBridge.createSetBobbingTimeEvent())) {
                 ci.cancel();
             }
diff --git a/src/main/java/dev/zprestige/prestige/mixin/LightmapTextureManagerMixin.java b/src/main/java/dev/zprestige/prestige/mixin/LightmapTextureManagerMixin.java
index 862a62c..335d587 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/LightmapTextureManagerMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/LightmapTextureManagerMixin.java
@@ -29,7 +29,7 @@ public class LightmapTextureManagerMixin {
         cancellable = true
     )
     private void forceFullBrightLightmapAfterProfilerPush(float tickProgress, InjectionCallback ci) {
-        if (HookBridge.hasLightmapListeners(Prestige.eventBus, FullBrightEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasLightmapListeners(Prestige.eventBus, FullBrightEvent.class)) {
             FullBrightEvent event = HookBridge.createLightmapEvent();
             if (HookBridge.postLightmapEvent(event)) {
                 RenderSystem.getDevice().createCommandEncoder().clearColorTexture(this.glTexture, ColorHelper.getArgb(255, 255, 255, 255));
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ModelCommandRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ModelCommandRendererMixin.java
index 2ff23a5..ff5bd0b 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ModelCommandRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ModelCommandRendererMixin.java
@@ -43,9 +43,7 @@ public class ModelCommandRendererMixin {
         target = {@CTarget("RETURN")}
     )
     private void clearRenderLayerAtRenderReturn() {
-        if (EspShaderManager.enabled) {
-            ESP.CURRENT_RENDER_LAYER.remove();
-        }
+        ESP.CURRENT_RENDER_LAYER.remove();
     }
 
     @CRedirect(
diff --git a/src/main/java/dev/zprestige/prestige/mixin/MouseMixin.java b/src/main/java/dev/zprestige/prestige/mixin/MouseMixin.java
index 3022d53..07c9df8 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/MouseMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/MouseMixin.java
@@ -24,7 +24,7 @@ public class MouseMixin {
         cancellable = true
     )
     private void postMouseMoveEventAtUpdateMouseHead(double timeDelta, InjectionCallback ci) {
-        if (HookBridge.hasMouseMoveListeners(Prestige.eventBus, MouseUpdateEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasMouseMoveListeners(Prestige.eventBus, MouseUpdateEvent.class)) {
             MouseUpdateEvent event = HookBridge.createMouseMoveEvent(this.cursorDeltaX, this.cursorDeltaY);
             if (HookBridge.postMouseMoveEvent(event)) {
                 ci.cancel();
diff --git a/src/main/java/dev/zprestige/prestige/mixin/ParticleManagerMixin.java b/src/main/java/dev/zprestige/prestige/mixin/ParticleManagerMixin.java
index 6b1961c..118ed5c 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/ParticleManagerMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/ParticleManagerMixin.java
@@ -18,7 +18,7 @@ public class ParticleManagerMixin {
         cancellable = true
     )
     private void postAddParticleEventAtHead(Particle particle, InjectionCallback ci) {
-        if (HookBridge.hasAddParticleListeners(Prestige.eventBus, AddParticleEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasAddParticleListeners(Prestige.eventBus, AddParticleEvent.class)) {
             AddParticleEvent event = HookBridge.createAddParticleEvent();
             if (HookBridge.postAddParticleEvent(event)) {
                 ci.cancel();
diff --git a/src/main/java/dev/zprestige/prestige/mixin/PlayerListEntryMixin.java b/src/main/java/dev/zprestige/prestige/mixin/PlayerListEntryMixin.java
index 14a87dc..2459bae 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/PlayerListEntryMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/PlayerListEntryMixin.java
@@ -23,7 +23,7 @@ public class PlayerListEntryMixin {
         cancellable = true
     )
     private void overrideListEntrySkinAtGetSkinTexturesReturn(InjectionCallback ci) {
-        if (this.profile != null && HookBridge.hasListEntrySkinListeners(Prestige.eventBus, SkinTexturesEvent.class)) {
+        if (this.profile != null && Prestige.eventBus != null && HookBridge.hasListEntrySkinListeners(Prestige.eventBus, SkinTexturesEvent.class)) {
             SkinTexturesEvent event = HookBridge.createListEntrySkinEvent((SkinTextures)ci.getReturnValue(), HookBridge.getProfileName(this.profile));
             if (HookBridge.postListEntrySkinEvent(event)) {
                 ci.setReturnValue(HookBridge.getListEntrySkinTextures(event));
diff --git a/src/main/java/dev/zprestige/prestige/mixin/SkyRenderingMixin.java b/src/main/java/dev/zprestige/prestige/mixin/SkyRenderingMixin.java
index 9217caf..65863b7 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/SkyRenderingMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/SkyRenderingMixin.java
@@ -20,7 +20,7 @@ public class SkyRenderingMixin {
         target = {@CTarget("TAIL")}
     )
     private void overrideSkyColorAtUpdateRenderStateTail(ClientWorld world, float tickDelta, Camera camera, SkyRenderState state, InjectionCallback ci) {
-        if (HookBridge.hasSkyColorListeners(Prestige.eventBus, SkyColorEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasSkyColorListeners(Prestige.eventBus, SkyColorEvent.class)) {
             int skyPacked = state.skyColor;
             Color initialSky = HookBridge.createSkyColor(skyPacked >> 16 & 0xFF, skyPacked >> 8 & 0xFF, skyPacked & 0xFF);
             int hzPacked = state.sunriseAndSunsetColor;
diff --git a/src/main/java/dev/zprestige/prestige/mixin/TextDisplayEntityRendererMixin.java b/src/main/java/dev/zprestige/prestige/mixin/TextDisplayEntityRendererMixin.java
index 6ea84a4..9daf7e6 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/TextDisplayEntityRendererMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/TextDisplayEntityRendererMixin.java
@@ -24,7 +24,7 @@ public class TextDisplayEntityRendererMixin {
         )}
     )
     public void modifyLabelTextBeforeWrapLines(CArgs cArgs) {
-        if (HookBridge.hasTextDisplayLabelListeners(Prestige.eventBus, LabelTextEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasTextDisplayLabelListeners(Prestige.eventBus, LabelTextEvent.class)) {
             Text text = (Text)cArgs.get(0);
             String stringText = text.getString();
             ClientWorld world = MinecraftClient.getInstance().world;
diff --git a/src/main/java/dev/zprestige/prestige/mixin/TextVisitFactoryMixin.java b/src/main/java/dev/zprestige/prestige/mixin/TextVisitFactoryMixin.java
index 74d52e8..caeaf18 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/TextVisitFactoryMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/TextVisitFactoryMixin.java
@@ -22,7 +22,7 @@ public class TextVisitFactoryMixin {
     private static void replaceTextBeforeVisitFormatted(CArgs cArgs) {
         String text = (String)cArgs.get(0);
         if (text != null) {
-            if (!HookBridge.hasTextReplaceListeners(Prestige.eventBus, TextReplaceEvent.class)) {
+            if (Prestige.eventBus == null || !HookBridge.hasTextReplaceListeners(Prestige.eventBus, TextReplaceEvent.class)) {
                 return;
             }
 
diff --git a/src/main/java/dev/zprestige/prestige/mixin/WorldChunkMixin.java b/src/main/java/dev/zprestige/prestige/mixin/WorldChunkMixin.java
index ad280a6..c166367 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/WorldChunkMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/WorldChunkMixin.java
@@ -23,7 +23,7 @@ public class WorldChunkMixin {
         target = {@CTarget("TAIL")}
     )
     private void postBlockUpdateEventAtSetBlockStateTail(BlockPos pos, BlockState state, int flags, InjectionCallback cir) {
-        if (HookBridge.hasBlockUpdateListeners(Prestige.eventBus, BlockStateUpdateEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasBlockUpdateListeners(Prestige.eventBus, BlockStateUpdateEvent.class)) {
             if (this.world.isClient()) {
                 BlockStateUpdateEvent event = HookBridge.createBlockUpdateEvent(pos, state);
                 HookBridge.postBlockUpdateEvent(event);
diff --git a/src/main/java/dev/zprestige/prestige/mixin/WorldMixin.java b/src/main/java/dev/zprestige/prestige/mixin/WorldMixin.java
index 590e99c..94b2f9c 100644
--- a/src/main/java/dev/zprestige/prestige/mixin/WorldMixin.java
+++ b/src/main/java/dev/zprestige/prestige/mixin/WorldMixin.java
@@ -18,7 +18,7 @@ public class WorldMixin {
         cancellable = true
     )
     private void overrideRainGradientAtReturn(float delta, InjectionCallback cir) {
-        if (HookBridge.hasRainGradientListeners(Prestige.eventBus, RainGradientEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasRainGradientListeners(Prestige.eventBus, RainGradientEvent.class)) {
             if (HookBridge.postRainGradientEvent(HookBridge.createRainGradientEvent())) {
                 cir.setReturnValue(0.0F);
             }
@@ -31,7 +31,7 @@ public class WorldMixin {
         cancellable = true
     )
     private void overrideTimeOfDayAtReturn(InjectionCallback cir) {
-        if (HookBridge.hasTimeOfDayListeners(Prestige.eventBus, TimeOfDayEvent.class)) {
+        if (Prestige.eventBus != null && HookBridge.hasTimeOfDayListeners(Prestige.eventBus, TimeOfDayEvent.class)) {
             TimeOfDayEvent event = HookBridge.createTimeOfDayEvent((Long)cir.getReturnValue());
             if (HookBridge.postTimeOfDayEvent(event)) {
                 cir.setReturnValue(HookBridge.getTimeOfDay(event));
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AimAssist.java b/src/main/java/dev/zprestige/prestige/module/combat/AimAssist.java
index 8b891a4..655b9f4 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AimAssist.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AimAssist.java
@@ -25,6 +25,7 @@ import net.minecraft.item.Items;
 import net.minecraft.util.hit.EntityHitResult;
 import net.minecraft.util.hit.HitResult.Type;
 import net.minecraft.util.math.Box;
+import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.Vec3d;
 
 public class AimAssist extends Module {
@@ -170,13 +171,7 @@ public class AimAssist extends Module {
                                 float yawDelta = targetRotation.getYaw() - mc.player.getYaw();
                                 float pitchDelta = targetRotation.getPitch() - mc.player.getPitch();
 
-                                while (yawDelta > 180.0F) {
-                                    yawDelta -= 360.0F;
-                                }
-
-                                while (yawDelta < -180.0F) {
-                                    yawDelta += 360.0F;
-                                }
+                                yawDelta = MathHelper.wrapDegrees(yawDelta);
 
                                 if (!(this.fov.getValue() < 360.0F)
                                     || !(Math.abs(yawDelta) > this.fov.getValue() / 2.0F) && !(Math.abs(pitchDelta) > this.fov.getValue() / 2.0F)) {
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AnchorExploder.java b/src/main/java/dev/zprestige/prestige/module/combat/AnchorExploder.java
index 283627e..64d2a2c 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AnchorExploder.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AnchorExploder.java
@@ -377,7 +377,7 @@ public class AnchorExploder extends Module implements RotationProvider {
     public void onPacketReceive(PacketReceiveEvent event) {
         if (event.getPacket() instanceof BlockUpdateS2CPacket blockUpdate) {
             if (blockUpdate.getState() != null && blockUpdate.getState().getBlock() != Blocks.RESPAWN_ANCHOR) {
-                this.ownAnchors.remove(blockUpdate.getPos());
+                mc.execute(() -> this.ownAnchors.remove(blockUpdate.getPos()));
             }
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AnchorMacro.java b/src/main/java/dev/zprestige/prestige/module/combat/AnchorMacro.java
index 9396478..8ab7bbe 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AnchorMacro.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AnchorMacro.java
@@ -305,8 +305,10 @@ public class AnchorMacro extends Module {
                 return;
             }
 
-            this.bindPlacedAnchors.remove(blockUpdate.getPos());
-            this.ownAnchors.remove(blockUpdate.getPos());
+            mc.execute(() -> {
+                this.bindPlacedAnchors.remove(blockUpdate.getPos());
+                this.ownAnchors.remove(blockUpdate.getPos());
+            });
         }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AnchorPlacer.java b/src/main/java/dev/zprestige/prestige/module/combat/AnchorPlacer.java
index 7aae836..444d639 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AnchorPlacer.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AnchorPlacer.java
@@ -69,7 +69,7 @@ public class AnchorPlacer extends Module implements RotationProvider {
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
         if (event.getPacket() instanceof BlockUpdateS2CPacket blockUpdate && blockUpdate.getState() != null && blockUpdate.getState().getBlock() != Blocks.RESPAWN_ANCHOR) {
-            this.placedAnchors.remove(blockUpdate.getPos());
+            mc.execute(() -> this.placedAnchors.remove(blockUpdate.getPos()));
         }
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AntiBot.java b/src/main/java/dev/zprestige/prestige/module/combat/AntiBot.java
index 4430e0c..ad4cc03 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AntiBot.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AntiBot.java
@@ -39,25 +39,37 @@ public class AntiBot extends Module {
 
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
-        if (this.mode.isSelected("Packet") && event.getPacket() instanceof EntityPositionS2CPacket && mc.world != null) {
-            Entity entity = mc.world.getEntityById(((EntityPositionS2CPacket)event.getPacket()).entityId());
-            if (entity == null) {
-                return;
-            }
-
-            if (entity instanceof PlayerEntity player && !Prestige.botFilter.getValidatedPlayers().contains(entity)) {
-                int threshold = this.validationThreshold.getValue();
-                int packetCount = (Integer)this.positionPacketCounts.getOrDefault(player, 0) + 1;
-                if (packetCount >= threshold) {
-                    Prestige.botFilter.markValidated(player);
-                    this.positionPacketCounts.remove(player);
-                } else {
-                    this.positionPacketCounts.put(player, packetCount);
+        if (this.mode.isSelected("Packet") && event.getPacket() instanceof EntityPositionS2CPacket) {
+            int entityId = ((EntityPositionS2CPacket)event.getPacket()).entityId();
+            mc.execute(() -> {
+                if (mc.world == null) {
+                    return;
                 }
-            }
+
+                Entity entity = mc.world.getEntityById(entityId);
+                if (entity == null) {
+                    return;
+                }
+
+                if (entity instanceof PlayerEntity player && !Prestige.botFilter.getValidatedPlayers().contains(entity)) {
+                    int threshold = this.validationThreshold.getValue();
+                    int packetCount = (Integer)this.positionPacketCounts.getOrDefault(player, 0) + 1;
+                    if (packetCount >= threshold) {
+                        Prestige.botFilter.markValidated(player);
+                        this.positionPacketCounts.remove(player);
+                    } else {
+                        this.positionPacketCounts.put(player, packetCount);
+                    }
+                }
+            });
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.positionPacketCounts.clear();
+    }
+
     @Subscribe
     public void onGameJoin(GameJoinEvent event) {
         this.positionPacketCounts.clear();
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/AutoAnchor.java b/src/main/java/dev/zprestige/prestige/module/combat/AutoAnchor.java
index c61a562..ea74e4f 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/AutoAnchor.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/AutoAnchor.java
@@ -198,7 +198,7 @@ public class AutoAnchor extends Module implements RotationProvider {
         if (event.getPacket() instanceof BlockUpdateS2CPacket blockUpdate) {
             this.blockUpdateCount++;
             if (blockUpdate.getState() != null && blockUpdate.getState().getBlock() != Blocks.RESPAWN_ANCHOR) {
-                this.placedAnchors.remove(blockUpdate.getPos());
+                mc.execute(() -> this.placedAnchors.remove(blockUpdate.getPos()));
             }
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/DoubleAnchor.java b/src/main/java/dev/zprestige/prestige/module/combat/DoubleAnchor.java
index c8ed262..3f3ca32 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/DoubleAnchor.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/DoubleAnchor.java
@@ -180,7 +180,7 @@ public class DoubleAnchor extends Module {
                         return;
                     }
 
-                    BlockHitResult crosshairHit = (BlockHitResult)mc.crosshairTarget;
+                    BlockHitResult crosshairHit = mc.crosshairTarget instanceof BlockHitResult blockCrosshair ? blockCrosshair : null;
                     if (crosshairHit != null
                         && mc.world.getBlockState(crosshairHit.getBlockPos()).isOf(Blocks.RESPAWN_ANCHOR)
                         && mc.world.getBlockState(crosshairHit.getBlockPos()).get(Properties.CHARGES) != 0) {
diff --git a/src/main/java/dev/zprestige/prestige/module/combat/SafeAnchor.java b/src/main/java/dev/zprestige/prestige/module/combat/SafeAnchor.java
index c21b9d6..e7a3199 100644
--- a/src/main/java/dev/zprestige/prestige/module/combat/SafeAnchor.java
+++ b/src/main/java/dev/zprestige/prestige/module/combat/SafeAnchor.java
@@ -398,7 +398,7 @@ public class SafeAnchor extends Module implements RotationProvider {
                 return;
             }
 
-            this.ownAnchors.remove(blockUpdate.getPos());
+            mc.execute(() -> this.ownAnchors.remove(blockUpdate.getPos()));
         }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/AutoArmor.java b/src/main/java/dev/zprestige/prestige/module/misc/AutoArmor.java
index 958996d..4413ea5 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/AutoArmor.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/AutoArmor.java
@@ -92,6 +92,10 @@ public class AutoArmor extends Module {
     }
 
     private boolean isSwapAllowed() {
+        if (mc.player.currentScreenHandler != mc.player.playerScreenHandler) {
+            return false;
+        }
+
         return switch (this.mode.getValue()) {
             case "Inventory" -> mc.currentScreen instanceof InventoryScreen;
             case "Keybind" -> {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/AutoPickaxe.java b/src/main/java/dev/zprestige/prestige/module/misc/AutoPickaxe.java
index abe469a..e6d2c49 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/AutoPickaxe.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/AutoPickaxe.java
@@ -32,7 +32,7 @@ public class AutoPickaxe extends Module {
 
     @Subscribe
     public void onFrame(FrameEvent event) {
-        if (mc.currentScreen == null && mc.isWindowFocused()) {
+        if (mc.player != null && mc.world != null && mc.currentScreen == null && mc.isWindowFocused()) {
             BlockPos belowPos = mc.player.getBlockPos().down();
             boolean notMining = this.onlyWhenMining.getValue() && GLFW.glfwGetMouseButton(mc.getWindow().getHandle(), 0) != 1;
             HitResult hitResult = mc.crosshairTarget;
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/AutoPot.java b/src/main/java/dev/zprestige/prestige/module/misc/AutoPot.java
index 838e2f7..0e3b85b 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/AutoPot.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/AutoPot.java
@@ -31,7 +31,7 @@ public class AutoPot extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (mc.currentScreen == null && mc.isWindowFocused()) {
+        if (mc.player != null && mc.currentScreen == null && mc.isWindowFocused()) {
             boolean autoMode = this.mode.getValue().equals("Auto");
             if (autoMode && mc.player.getHealth() > this.health.getValue()) {
                 this.throwTimer.reset();
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/AutoText.java b/src/main/java/dev/zprestige/prestige/module/misc/AutoText.java
index fe9e9f6..2008747 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/AutoText.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/AutoText.java
@@ -14,6 +14,10 @@ public class AutoText extends Module {
     @Override
     public void onEnable() {
         String message = this.text.getValue().toString();
+        if (message.length() > 256) {
+            message = message.substring(0, 256);
+        }
+
         if (message.startsWith("/")) {
             Objects.requireNonNull(mc.getNetworkHandler()).sendChatCommand(message.substring(1));
         } else {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/AutoTool.java b/src/main/java/dev/zprestige/prestige/module/misc/AutoTool.java
index 0ee6d57..23f138b 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/AutoTool.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/AutoTool.java
@@ -20,7 +20,7 @@ public class AutoTool extends Module {
 
     @Subscribe
     public void onSendMovementPackets(SendMovementPacketsEvent event) {
-        if (mc.crosshairTarget instanceof BlockHitResult blockHit) {
+        if (mc.player != null && mc.world != null && mc.crosshairTarget instanceof BlockHitResult blockHit) {
             BlockPos blockPos = blockHit.getBlockPos();
             if (!mc.world.getBlockState(blockPos).isAir()) {
                 int toolSlot = this.findBestToolSlot(blockPos);
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/CartRefill.java b/src/main/java/dev/zprestige/prestige/module/misc/CartRefill.java
index 74f682d..408d8ba 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/CartRefill.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/CartRefill.java
@@ -38,7 +38,7 @@ public class CartRefill extends Module {
             float delayMs = this.delay.getValue().intValue();
             if (timer.hasElapsed(delayMs)) {
                 if (this.isRefillAllowed()) {
-                    int hotbarSlot = this.targetSlot.getValue() - 1;
+                    int hotbarSlot = Math.max(0, Math.min(8, this.targetSlot.getValue() - 1));
                     if (mc.player.getInventory().getStack(hotbarSlot).isEmpty()) {
                         int cartSlot = this.findTntMinecartSlot();
                         if (cartSlot != -1) {
@@ -52,6 +52,10 @@ public class CartRefill extends Module {
     }
 
     private boolean isRefillAllowed() {
+        if (mc.player.currentScreenHandler != mc.player.playerScreenHandler) {
+            return false;
+        }
+
         if (this.mode.getValue().equals("Always")) {
             return mc.currentScreen instanceof InventoryScreen;
         } else {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/CartStealer.java b/src/main/java/dev/zprestige/prestige/module/misc/CartStealer.java
index 47bd1f5..cf70a3f 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/CartStealer.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/CartStealer.java
@@ -32,6 +32,10 @@ public class CartStealer extends Module {
 
     @Subscribe
     public void onFrame(FrameEvent event) {
+        if (mc.player == null || mc.interactionManager == null) {
+            return;
+        }
+
         if (this.activateKey.getValue() == -1 || GLFW.glfwGetKey(mc.getWindow().getHandle(), this.activateKey.getValue()) == 1) {
             if (this.stealTimer.hasElapsedRandom(this.delay)) {
                 if (mc.player.currentScreenHandler instanceof ShulkerBoxScreenHandler shulkerHandler) {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/ChestStealer.java b/src/main/java/dev/zprestige/prestige/module/misc/ChestStealer.java
index 18ac66b..1c6a4d7 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/ChestStealer.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/ChestStealer.java
@@ -24,6 +24,10 @@ public class ChestStealer extends Module {
 
     @Subscribe
     public void onFrame(FrameEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         if (this.activateKey.getValue() != -1 && GLFW.glfwGetKey(mc.getWindow().getHandle(), this.activateKey.getValue()) == 1) {
             if (this.stealTimer.hasElapsed(this.delay.getValue())) {
                 if (mc.player.currentScreenHandler instanceof GenericContainerScreenHandler containerHandler) {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/Criticals.java b/src/main/java/dev/zprestige/prestige/module/misc/Criticals.java
index 85c0695..d0f36f0 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/Criticals.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/Criticals.java
@@ -71,12 +71,14 @@ public class Criticals extends Module {
         if (this.pendingTarget != null) {
             if (this.ticksUntilAttack <= 0) {
                 this.replayingAttack = true;
-                if (mc.crosshairTarget.getType() == Type.ENTITY) {
-                    PlayerInteractions.attackEntity(this.pendingTarget);
+                try {
+                    if (mc.player != null && mc.crosshairTarget != null && mc.crosshairTarget.getType() == Type.ENTITY) {
+                        PlayerInteractions.attackEntity(this.pendingTarget);
+                    }
+                } finally {
+                    this.replayingAttack = false;
+                    this.pendingTarget = null;
                 }
-
-                this.replayingAttack = false;
-                this.pendingTarget = null;
             } else {
                 this.ticksUntilAttack--;
             }
@@ -92,6 +94,13 @@ public class Criticals extends Module {
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.pendingTarget = null;
+        this.ticksUntilAttack = 0;
+        this.replayingAttack = false;
+    }
+
     private void sendOffsetPosition(float yOffset) {
         PacketSender.sendPacket(new PositionAndOnGround(mc.player.getX(), mc.player.getY() + yOffset, mc.player.getZ(), false, mc.player.horizontalCollision));
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/CrystalOptimizer.java b/src/main/java/dev/zprestige/prestige/module/misc/CrystalOptimizer.java
index a91049b..7777a0b 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/CrystalOptimizer.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/CrystalOptimizer.java
@@ -23,7 +23,7 @@ public class CrystalOptimizer extends Module {
     @Subscribe
     public void onAttackEntity(AttackEntityEvent event) {
         Entity target = event.getTarget();
-        if (target instanceof EndCrystalEntity) {
+        if (target instanceof EndCrystalEntity && mc.player != null) {
             if (mc.player.getStatusEffect(StatusEffects.WEAKNESS) != null) {
                 return;
             }
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/EnemyFaker.java b/src/main/java/dev/zprestige/prestige/module/misc/EnemyFaker.java
index 5ce0269..9d7786c 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/EnemyFaker.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/EnemyFaker.java
@@ -44,6 +44,7 @@ public class EnemyFaker extends Module {
             && event.getPlayerName() != null
             && event.getSkinTextures() != null
             && !this.fakeName.getValue().isEmpty()
+            && mc.getNetworkHandler() != null
             && mc.getNetworkHandler().getPlayerListEntry(this.target.getUuid()) != null
             && mc.getNetworkHandler().getPlayerListEntry(this.target.getUuid()).getProfile() != null) {
             if (event.getPlayerName()
@@ -86,7 +87,12 @@ public class EnemyFaker extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        for (PlayerEntity player : mc.world.getPlayers()) {
+        if (mc.world == null || mc.player == null) {
+            this.target = null;
+            return;
+        }
+
+        for (PlayerEntity player : new ArrayList<>(mc.world.getPlayers())) {
             if (!player.equals(mc.player) && (player.isDead() || !player.isAlive())) {
                 mc.world.removeEntity(player.getId(), RemovalReason.DISCARDED);
             }
@@ -96,25 +102,50 @@ public class EnemyFaker extends Module {
         if (this.update.getValue()) {
             this.update.setValue(false);
             if (!this.fakeName.getValue().isEmpty()) {
-                UUID uuid = MojangApi.fetchUuid(this.fakeName.getValue().toString());
-                if (uuid != null) {
-                    GameProfile profile = MojangApi.fetchProfile(uuid);
-                    CompletableFuture skinFuture = mc.getSkinProvider().fetchSkinTextures(profile);
-                    skinFuture.thenAccept(skinResult -> {
-                        if (((java.util.Optional)skinResult).isPresent()) {
-                            this.fakeSkin = (SkinTextures)((java.util.Optional)skinResult).get();
-                            mc.player.sendMessage(Text.of("Fake skin updated to: " + this.fakeName.getValue()), false);
-                        } else {
-                            mc.player.sendMessage(Text.of("Failed to fetch skin for: " + this.fakeName.getValue()), false);
-                        }
-                    });
-                }
+                String requestedName = this.fakeName.getValue().toString();
+                // Mojang lookups block for several seconds on a bad connection, never do them on the game thread
+                Thread lookup = new Thread(() -> {
+                    UUID uuid = MojangApi.fetchUuid(requestedName);
+                    GameProfile profile = uuid == null ? null : MojangApi.fetchProfile(uuid);
+                    if (profile != null) {
+                        mc.execute(() -> this.applyFakeSkin(profile, requestedName));
+                    }
+                }, "Prestige-SkinLookup");
+                lookup.setDaemon(true);
+                lookup.start();
             }
         }
     }
 
+    private void applyFakeSkin(GameProfile profile, String requestedName) {
+        if (!this.isEnabled()) {
+            return;
+        }
+
+        CompletableFuture skinFuture = mc.getSkinProvider().fetchSkinTextures(profile);
+        skinFuture.thenAccept(skinResult -> {
+            if (((java.util.Optional)skinResult).isPresent()) {
+                this.fakeSkin = (SkinTextures)((java.util.Optional)skinResult).get();
+                if (mc.player != null) {
+                    mc.player.sendMessage(Text.of("Fake skin updated to: " + requestedName), false);
+                }
+            } else if (mc.player != null) {
+                mc.player.sendMessage(Text.of("Failed to fetch skin for: " + requestedName), false);
+            }
+        });
+    }
+
+    @Override
+    public void onDisable() {
+        this.target = null;
+        this.fakeSkin = null;
+    }
+
     public static PlayerEntity findClosestEnemy() {
         PlayerEntity closest = null;
+        if (mc.world == null || mc.player == null) {
+            return null;
+        }
 
         for (PlayerEntity player : new ArrayList<>(mc.world.getPlayers())) {
             if (!player.equals(mc.player)
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/FastPlace.java b/src/main/java/dev/zprestige/prestige/module/misc/FastPlace.java
index 90bb9c7..69a8ef9 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/FastPlace.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/FastPlace.java
@@ -27,6 +27,10 @@ public class FastPlace extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         if (!this.blocksOnly.getValue()
             || mc.player.getMainHandStack().getItem() instanceof BlockItem
             || mc.player.getOffHandStack().getItem() instanceof BlockItem) {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/Friends.java b/src/main/java/dev/zprestige/prestige/module/misc/Friends.java
index 5c1e245..5c4523e 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/Friends.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/Friends.java
@@ -26,7 +26,7 @@ public class Friends extends Module {
 
     @Subscribe
     public void onTextReplace(TextReplaceEvent event) {
-        if (this.highlight.getValue()) {
+        if (this.highlight.getValue() && event.getText() != null) {
             for (Object friendName : Prestige.friendManager.getFriends()) {
                 if (event.getText().contains((CharSequence)friendName)) {
                     event.setTarget((String)friendName);
@@ -71,7 +71,9 @@ public class Friends extends Module {
                     if (hitResult.getType() == Type.ENTITY) {
                         Entity targetEntity = ((EntityHitResult)hitResult).getEntity();
                         if (targetEntity instanceof PlayerEntity && Prestige.friendManager.isFriend(targetEntity.getName().getString())) {
-                            mc.player.handSwinging = false;
+                            if (mc.player != null) {
+                                mc.player.handSwinging = false;
+                            }
                             event.cancel();
                         }
                     }
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/KeyPearl.java b/src/main/java/dev/zprestige/prestige/module/misc/KeyPearl.java
index f5b971c..42f72eb 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/KeyPearl.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/KeyPearl.java
@@ -34,7 +34,7 @@ public class KeyPearl extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (mc.currentScreen == null && mc.isWindowFocused()) {
+        if (mc.player != null && mc.currentScreen == null && mc.isWindowFocused()) {
             if (this.actionTimer.hasElapsed(this.delay.getValue())) {
                 if (this.pearlThrown) {
                     InventoryUtil.selectSlot(this.previousSlot);
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/NameHider.java b/src/main/java/dev/zprestige/prestige/module/misc/NameHider.java
index b5916fc..445a81a 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/NameHider.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/NameHider.java
@@ -32,6 +32,10 @@ public class NameHider extends Module {
 
     @Subscribe
     public void onFrame(FrameEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         if (this.randomize.getValue()) {
             if (this.rerollTimer.hasElapsed(this.speed.getValue())) {
                 this.replacementName = this.generateName();
@@ -47,7 +51,7 @@ public class NameHider extends Module {
     @Subscribe
     public void onTextReplace(TextReplaceEvent event) {
         String username = mc.getSession().getUsername();
-        if (event.getText().contains(username)) {
+        if (username != null && !username.isEmpty() && event.getText() != null && event.getText().contains(username)) {
             event.setTarget(mc.getSession().getUsername());
             event.setText(this.replacementName);
             event.cancel();
@@ -56,7 +60,9 @@ public class NameHider extends Module {
 
     @Override
     public void onEnable() {
-        this.replacementName = this.generateName();
+        if (mc.player != null) {
+            this.replacementName = this.generateName();
+        }
     }
 
     private String generateName() {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/Refill.java b/src/main/java/dev/zprestige/prestige/module/misc/Refill.java
index 07f8425..b18d2c2 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/Refill.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/Refill.java
@@ -54,6 +54,10 @@ public class Refill extends Module {
     }
 
     private boolean isRefillAllowed() {
+        if (mc.player.currentScreenHandler != mc.player.playerScreenHandler) {
+            return false;
+        }
+
         if (this.mode.getValue().equals("Always")) {
             return mc.currentScreen instanceof InventoryScreen;
         } else {
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/SelfDestruct.java b/src/main/java/dev/zprestige/prestige/module/misc/SelfDestruct.java
index 11be976..40a5364 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/SelfDestruct.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/SelfDestruct.java
@@ -2,8 +2,19 @@ package dev.zprestige.prestige.module.misc;
 
 import dev.zprestige.prestige.Module;
 import dev.zprestige.prestige.client.Prestige;
+import dev.zprestige.prestige.inject.Bootstrap;
+import dev.zprestige.prestige.inject.NativeBridge;
+import dev.zprestige.prestige.ui.mc.Overlay;
 import java.util.ArrayList;
+import java.util.List;
 
+/**
+ * Removes the client from the running game.
+ *
+ * Stage 1 (this tick): stop all client logic, close the menu, switch every other module off.
+ * Stage 2 (next tick, after Module.toggle has returned): dispose the modules and empty the module list.
+ * Stage 3 (injected clients only): put the original bytes back into every hooked game class and let the native loader unload.
+ */
 public class SelfDestruct extends Module {
     public SelfDestruct() {
         dev.zprestige.prestige.ui.bridge.Bootstrap.pre(this);
@@ -12,18 +23,54 @@ public class SelfDestruct extends Module {
     @Override
     public void onEnable() {
         Prestige.selfDestructed = true;
+        Overlay.shutdown();
         mc.setScreen(null);
 
-        for (Module module : (Iterable<Module>)(Prestige.moduleManager.getModules())) {
-            if (module.isEnabled()) {
-                module.toggle();
+        List<Module> modules = new ArrayList<>(Prestige.moduleManager.getModules());
+        for (Module module : modules) {
+            if (module == this) {
+                continue;
+            }
+            try {
+                if (module.isEnabled()) {
+                    module.toggle();
+                }
+            } catch (Throwable error) {
+                error.printStackTrace();
             }
-
-            module.dispose();
-            module.getKeybind().setValue(-1);
         }
 
+        // Disposing this module now would null its own "Enabled" value while Module.toggle still has to read it.
+        mc.execute(() -> dispose(modules));
+    }
+
+    private void dispose(List<Module> modules) {
+        for (Module module : modules) {
+            try {
+                module.dispose();
+                module.getKeybind().setValue(-1);
+            } catch (Throwable error) {
+                error.printStackTrace();
+            }
+        }
         Prestige.moduleManager.setModules(new ArrayList());
+
+        if (Bootstrap.isInjected()) {
+            // one more tick so no hook of the current tick is still being entered when the original classes come back
+            mc.execute(() -> mc.execute(SelfDestruct::unhook));
+        }
+    }
+
+    private static void unhook() {
+        try {
+            Bootstrap.uninstall();
+            NativeBridge.release();
+        } catch (UnsatisfiedLinkError ignored) {
+            // loader already gone
+        } catch (Throwable error) {
+            // an Error escaping a main-thread task would take the whole game down
+            error.printStackTrace();
+        }
     }
 
     @Override
diff --git a/src/main/java/dev/zprestige/prestige/module/misc/Teams.java b/src/main/java/dev/zprestige/prestige/module/misc/Teams.java
index 9059e75..0cfd4fe 100644
--- a/src/main/java/dev/zprestige/prestige/module/misc/Teams.java
+++ b/src/main/java/dev/zprestige/prestige/module/misc/Teams.java
@@ -36,6 +36,11 @@ public class Teams extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.world == null || mc.player == null) {
+            teammates = new HashSet();
+            return;
+        }
+
         HashSet currentTeammates = new HashSet();
 
         for (PlayerEntity player : mc.world.getPlayers()) {
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/AutoJumpReset.java b/src/main/java/dev/zprestige/prestige/module/movement/AutoJumpReset.java
index 050e888..b56c62a 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/AutoJumpReset.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/AutoJumpReset.java
@@ -25,6 +25,10 @@ public class AutoJumpReset extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         DamageSource damageSource = mc.player.getRecentDamageSource();
         if (mc.currentScreen == null
             && !mc.player.isBlocking()
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/AutoShortPearl.java b/src/main/java/dev/zprestige/prestige/module/movement/AutoShortPearl.java
index 2bc1234..cd133c6 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/AutoShortPearl.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/AutoShortPearl.java
@@ -28,7 +28,7 @@ public class AutoShortPearl extends Module implements RotationProvider {
 
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
-        if (event.getPacket() instanceof EntityDamageS2CPacket damagePacket) {
+        if (mc.world != null && mc.player != null && event.getPacket() instanceof EntityDamageS2CPacket damagePacket) {
             Entity damagedEntity = mc.world.getEntityById(damagePacket.entityId());
             if (damagedEntity == null || damagedEntity != mc.player) {
                 return;
@@ -45,6 +45,10 @@ public class AutoShortPearl extends Module implements RotationProvider {
 
     @Override
     public Rotation provideRotation() {
+        if (mc.player == null) {
+            return null;
+        }
+
         if (this.throwPending) {
             if (this.hitTimer.hasElapsed(this.delay.getValue()) && mc.isWindowFocused() && mc.currentScreen == null) {
                 float throwPitch = 89.0F + RandomUtil.RANDOM.nextFloat() * 2.0F;
@@ -69,6 +73,7 @@ public class AutoShortPearl extends Module implements RotationProvider {
 
     @Override
     public void onDisable() {
+        this.throwPending = false;
         Prestige.silentRotationManager.removeRotationProvider(this);
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/FakeLag.java b/src/main/java/dev/zprestige/prestige/module/movement/FakeLag.java
index 1f4d526..c0217a0 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/FakeLag.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/FakeLag.java
@@ -11,6 +11,7 @@ import dev.zprestige.prestige.combat.TargetSelector;
 import dev.zprestige.prestige.event.PacketReceiveEvent;
 import dev.zprestige.prestige.event.PacketSendEvent;
 import dev.zprestige.prestige.event.FrameEvent;
+import dev.zprestige.prestige.event.GameJoinEvent;
 import dev.zprestige.prestige.event.Render3DEvent;
 import dev.zprestige.prestige.math.UiMath;
 import dev.zprestige.prestige.module.combat.AutoElytra;
@@ -137,6 +138,10 @@ public class FakeLag extends Module {
     @Subscribe
     public void onFrame(FrameEvent event) {
         this.rangeFlushed = false;
+        if (mc.player == null || mc.world == null) {
+            return;
+        }
+
         if (this.mode.getValue().equals("Knockback") && this.knockbackTimer.hasElapsedRandom(this.choke)) {
             this.knockbackActive = false;
             this.flushPackets();
@@ -173,7 +178,7 @@ public class FakeLag extends Module {
         if (this.render.getValue()) {
             StopWatch activeTimer = this.knockbackActive ? this.knockbackTimer : this.chokeTimer;
             float chokeDuration = this.mode.getValue().equals("Manual") ? 1000.0F : (this.rangeFlushed ? this.rangeChoke.getRolled() : this.choke.getRolled());
-            if (!(activeTimer.getElapsed() / chokeDuration / 2.0F < 0.1F)) {
+            if (chokeDuration > 0.0F && !(activeTimer.getElapsed() / chokeDuration / 2.0F < 0.1F)) {
                 ShapeRenderer.drawGlowRing(event.context, event.renderer, (float)this.lastFlushPos.x, (float)this.lastFlushPos.y, (float)this.lastFlushPos.z, Math.min(0.5F, activeTimer.getElapsed() / chokeDuration / 2.0F), 0.005F, 0.1F, UiMath.withAlpha(UiMath.getAccentColor().brighter(), Math.min(1.0F, activeTimer.getElapsed() / chokeDuration)), UiMath.getAccentColor());
             }
         }
@@ -188,17 +193,28 @@ public class FakeLag extends Module {
     @Override
     public void onDisable() {
         this.flushPackets();
+        // packets of an old world must never be replayed into a new one
+        this.heldPackets.clear();
+    }
+
+    @Subscribe
+    public void onGameJoin(GameJoinEvent event) {
+        this.heldPackets.clear();
+        this.knockbackActive = false;
     }
 
     private void flushPackets() {
         if (mc.player != null && mc.world != null) {
             this.flushing = true;
 
-            while (mc.getNetworkHandler() != null && !this.heldPackets.isEmpty()) {
-                PacketSender.sendPacket((Packet)this.heldPackets.poll());
+            try {
+                while (mc.getNetworkHandler() != null && !this.heldPackets.isEmpty()) {
+                    PacketSender.sendPacket((Packet)this.heldPackets.poll());
+                }
+            } finally {
+                this.flushing = false;
             }
 
-            this.flushing = false;
             this.chokeTimer.reset();
             this.choke.reroll();
             this.lastFlushPos = PositionUtil.getPlayerPos();
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/FastBridge.java b/src/main/java/dev/zprestige/prestige/module/movement/FastBridge.java
index 5cca6da..b38bae9 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/FastBridge.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/FastBridge.java
@@ -16,6 +16,10 @@ public class FastBridge extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.player == null || mc.world == null) {
+            return;
+        }
+
         boolean releaseSneak = !(mc.player.getMainHandStack().getItem() instanceof BlockItem) && !(mc.player.getOffHandStack().getItem() instanceof BlockItem);
         if (mc.player.getPitch() < 70.0F) {
             releaseSneak = true;
@@ -38,4 +42,12 @@ public class FastBridge extends Module {
             this.sneakForced = true;
         }
     }
+
+    @Override
+    public void onDisable() {
+        if (this.sneakForced) {
+            mc.options.sneakKey.setPressed(false);
+            this.sneakForced = false;
+        }
+    }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/Freecam.java b/src/main/java/dev/zprestige/prestige/module/movement/Freecam.java
index df8d94e..15088fb 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/Freecam.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/Freecam.java
@@ -64,7 +64,7 @@ public class Freecam extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (mc.currentScreen == null) {
+        if (mc.player != null && mc.currentScreen == null) {
             mc.options.forwardKey.setPressed(false);
             mc.options.backKey.setPressed(false);
             mc.options.leftKey.setPressed(false);
@@ -153,7 +153,7 @@ public class Freecam extends Module {
 
     @Subscribe
     public void onRender3D(Render3DEvent event) {
-        if (this.renderPrevious.getValue()) {
+        if (this.renderPrevious.getValue() && mc.player != null) {
             float bodyX = (float)this.frozenPos.x;
             float bodyY = (float)this.frozenPos.y;
             float bodyZ = (float)this.frozenPos.z;
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/NoJumpDelay.java b/src/main/java/dev/zprestige/prestige/module/movement/NoJumpDelay.java
index 8c122ec..00b7ad4 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/NoJumpDelay.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/NoJumpDelay.java
@@ -19,6 +19,10 @@ public class NoJumpDelay extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         new JumpCooldownAccessor(mc.player).setJumpingCooldown(0);
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/Parkour.java b/src/main/java/dev/zprestige/prestige/module/movement/Parkour.java
index e867eab..10fb07f 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/Parkour.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/Parkour.java
@@ -16,7 +16,7 @@ public class Parkour extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (mc.player.isOnGround() && !mc.options.jumpKey.isPressed()) {
+        if (mc.player != null && mc.world != null && mc.player.isOnGround() && !mc.options.jumpKey.isPressed()) {
             if (!mc.player.isSneaking() && !mc.options.sneakKey.isPressed()) {
                 Box edgeBox = mc.player.getBoundingBox().offset(0.0, -0.5, 0.0)
                     .expand(-this.distance.randomInRange() / 100.0, 0.0, -this.distance.randomInRange() / 100.0);
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/ShortPearl.java b/src/main/java/dev/zprestige/prestige/module/movement/ShortPearl.java
index 72dabd6..151fa8a 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/ShortPearl.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/ShortPearl.java
@@ -44,6 +44,10 @@ public class ShortPearl extends Module implements RotationProvider {
 
     @Override
     public Rotation provideRotation() {
+        if (mc.player == null) {
+            return null;
+        }
+
         if (!this.mode.getValue().equals("Silent")) {
             return null;
         } else if (this.silentThrowAge != -1) {
@@ -73,7 +77,7 @@ public class ShortPearl extends Module implements RotationProvider {
 
     @Subscribe
     public void onFrame(FrameEvent event) {
-        if (this.mode.getValue().equals("Legit")) {
+        if (mc.player != null && this.mode.getValue().equals("Legit")) {
             if (this.stageTimer.hasElapsed(this.minDelay.getValue())) {
                 switch (this.stage) {
                     case 0:
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/Velocity.java b/src/main/java/dev/zprestige/prestige/module/movement/Velocity.java
index 5e118b1..e6717f3 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/Velocity.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/Velocity.java
@@ -11,7 +11,7 @@ import dev.zprestige.prestige.event.PacketReceiveEvent;
 import dev.zprestige.prestige.event.ClientTickEvent;
 import dev.zprestige.prestige.event.GameJoinEvent;
 import dev.zprestige.prestige.render.RandomUtil;
-import java.util.ArrayList;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.Set;
 import net.minecraft.network.packet.s2c.play.ExplosionS2CPacket;
 
@@ -24,7 +24,7 @@ public class Velocity extends Module {
     private BoolSetting ignoreExplosions;
     private RangeSetting vertical;
     private RangeSetting horizontal;
-    private ArrayList recentExplosions = new ArrayList();
+    private CopyOnWriteArrayList recentExplosions = new CopyOnWriteArrayList();
 
     @Override
     public Set getGamemodes() {
@@ -33,11 +33,9 @@ public class Velocity extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        new ArrayList<>(this.recentExplosions).forEach(explosion -> {
-            if (mc.player != null && mc.player.isOnGround()) {
-                this.recentExplosions.remove(((net.minecraft.network.packet.s2c.play.ExplosionS2CPacket)explosion));
-            }
-        });
+        if (mc.player != null && mc.player.isOnGround()) {
+            this.recentExplosions.clear();
+        }
     }
 
     @Subscribe
@@ -57,6 +55,10 @@ public class Velocity extends Module {
         if (event.getPacket() instanceof ExplosionS2CPacket explosionPacket
             && explosionPacket.playerKnockback().isPresent()
             && explosionPacket.playerKnockback().get().lengthSquared() > 0.0) {
+            if (this.recentExplosions.size() >= 16) {
+                this.recentExplosions.remove(0);
+            }
+
             this.recentExplosions.add(explosionPacket);
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/movement/WTap.java b/src/main/java/dev/zprestige/prestige/module/movement/WTap.java
index b32e2a6..d7459b3 100644
--- a/src/main/java/dev/zprestige/prestige/module/movement/WTap.java
+++ b/src/main/java/dev/zprestige/prestige/module/movement/WTap.java
@@ -37,7 +37,7 @@ public class WTap extends Module {
     public void onAttackEntity(AttackEntityEvent event) {
         if (!this.tapPending && !this.forwardReleased) {
             Entity target = event.getTarget();
-            if (target != null) {
+            if (target != null && mc.player != null) {
                 if (target instanceof PlayerEntity) {
                     if (mc.options.forwardKey.isPressed() && mc.player.isSprinting() && RandomUtil.RANDOM.nextFloat() * 100.0F <= this.chance.getValue()) {
                         this.reaction.reroll();
@@ -77,6 +77,12 @@ public class WTap extends Module {
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.tapPending = false;
+        this.forwardReleased = false;
+    }
+
     public boolean isTapPending() {
         return this.tapPending;
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/spear/SpearMaceDoubleTap.java b/src/main/java/dev/zprestige/prestige/module/spear/SpearMaceDoubleTap.java
index bce6f57..eb55d96 100644
--- a/src/main/java/dev/zprestige/prestige/module/spear/SpearMaceDoubleTap.java
+++ b/src/main/java/dev/zprestige/prestige/module/spear/SpearMaceDoubleTap.java
@@ -51,13 +51,17 @@ public class SpearMaceDoubleTap extends Module {
     public void onPacketReceive(PacketReceiveEvent event) {
         if (event.getPacket() instanceof EntityStatusS2CPacket) {
             if (((EntityStatusS2CPacket)event.getPacket()).getStatus() == 2) {
-                int maceSlot = this.findBestMaceSlot();
-                if (maceSlot != -1 && mc.player.fallDistance > this.triggerFallDistance.getValue().floatValue()) {
-                    mc.player.stopUsingItem();
-                    InventoryUtil.selectSlot(maceSlot);
-                    this.maceSwapTimer.reset();
-                    this.pendingMaceHit = true;
-                }
+                mc.execute(() -> {
+                    if (mc.player != null && mc.world != null) {
+                        int maceSlot = this.findBestMaceSlot();
+                        if (maceSlot != -1 && mc.player.fallDistance > this.triggerFallDistance.getValue().floatValue()) {
+                            mc.player.stopUsingItem();
+                            InventoryUtil.selectSlot(maceSlot);
+                            this.maceSwapTimer.reset();
+                            this.pendingMaceHit = true;
+                        }
+                    }
+                });
             }
         }
     }
@@ -108,7 +112,7 @@ public class SpearMaceDoubleTap extends Module {
         ItemStack stack = mc.player.getInventory().getStack(slot);
         if (stack != null) {
             float level = EnchantmentHelper.getLevel(
-                mc.world.getRegistryManager().getOptional(Enchantments.BREACH.getRegistryRef()).get().getEntry(Enchantments.DENSITY.getValue()).get(), stack
+                mc.world.getRegistryManager().getOptional(Enchantments.BREACH.getRegistryRef()).get().getEntry(Enchantments.BREACH.getValue()).get(), stack
             );
             return (int)level;
         } else {
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/Animations.java b/src/main/java/dev/zprestige/prestige/module/visual/Animations.java
index 5038afc..b38c184 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/Animations.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/Animations.java
@@ -25,6 +25,10 @@ public class Animations extends Module {
 
     @Subscribe
     public void onRender3D(Render3DEvent event) {
+        if (mc.player == null) {
+            return;
+        }
+
         HeldItemRendererAccessor heldItemRenderer = new HeldItemRendererAccessor(mc.getEntityRenderDispatcher().getHeldItemRenderer());
         if (heldItemRenderer.getMainHandEquipProgress() <= 1.0F) {
             heldItemRenderer.setMainHandEquipProgress(1.0F);
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/AntiResourcePack.java b/src/main/java/dev/zprestige/prestige/module/visual/AntiResourcePack.java
index e1d74e4..35f3afe 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/AntiResourcePack.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/AntiResourcePack.java
@@ -15,10 +15,10 @@ public class AntiResourcePack extends Module {
 
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
-        if (event.getPacket() instanceof ResourcePackSendS2CPacket) {
+        if (event.getPacket() instanceof ResourcePackSendS2CPacket packet) {
             event.cancel();
-            PacketSender.sendPacket(new ResourcePackStatusC2SPacket(mc.player.getUuid(), Status.ACCEPTED));
-            PacketSender.sendPacket(new ResourcePackStatusC2SPacket(mc.player.getUuid(), Status.SUCCESSFULLY_LOADED));
+            PacketSender.sendPacket(new ResourcePackStatusC2SPacket(packet.id(), Status.ACCEPTED));
+            PacketSender.sendPacket(new ResourcePackStatusC2SPacket(packet.id(), Status.SUCCESSFULLY_LOADED));
         }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/FreeLook.java b/src/main/java/dev/zprestige/prestige/module/visual/FreeLook.java
index a6f61e0..0baefa6 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/FreeLook.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/FreeLook.java
@@ -26,6 +26,7 @@ public class FreeLook extends Module {
     public void onMouseUpdate(MouseUpdateEvent event) {
         this.cameraYaw = (float)(this.cameraYaw + event.getDeltaX() * 0.1F);
         this.cameraPitch = (float)(this.cameraPitch + event.getDeltaY() * 0.1F);
+        this.cameraPitch = Math.max(-90.0F, Math.min(90.0F, this.cameraPitch));
         event.cancel();
     }
 
@@ -48,6 +49,9 @@ public class FreeLook extends Module {
 
     @Override
     public void onDisable() {
-        mc.options.setPerspective(this.previousPerspective);
+        if (this.previousPerspective != null) {
+            mc.options.setPerspective(this.previousPerspective);
+            this.previousPerspective = null;
+        }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/HitEffect.java b/src/main/java/dev/zprestige/prestige/module/visual/HitEffect.java
index 4c23a8c..ec23586 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/HitEffect.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/HitEffect.java
@@ -54,9 +54,17 @@ public class HitEffect extends Module {
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.particles.clear();
+    }
+
     @Subscribe
     public void onAttackEntity(AttackEntityEvent event) {
         Entity target = event.getTarget();
+        if (target == null) {
+            return;
+        }
 
         for (int particleIndex = 0; particleIndex < this.amount.getValue(); particleIndex++) {
             if (this.particles.size() <= this.lifespan.getValue() * 20) {
@@ -76,6 +84,12 @@ public class HitEffect extends Module {
 
     @Subscribe
     public void onRender3D(Render3DEvent event) {
+        if (mc.player == null || mc.world == null) {
+            this.particles.clear();
+            this.frameTimer.reset();
+            return;
+        }
+
         if (this.particles.isEmpty()) {
             this.frameTimer.reset();
         } else {
@@ -177,24 +191,31 @@ public class HitEffect extends Module {
 
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
+        // Packets are handled on the network thread; particles are used on the main thread.
         if (this.totemPop.getValue()) {
-            if (event.getPacket() instanceof EntityStatusS2CPacket statusPacket && statusPacket.getStatus() == 35 && statusPacket.getEntity(mc.world) instanceof PlayerEntity player) {
-                for (int particleIndex = 0; particleIndex < this.amount.getValue() * 2; particleIndex++) {
-                    if (this.particles.size() <= this.lifespan.getValue() * 20) {
-                        this.particles
-                            .add(
-                                new HitParticle(
-                                    PositionUtil.getEntityPos(player),
-                                    new Vec3d(
-                                        player.getX() + (Math.random() - 0.5) * 0.5,
-                                        player.getY() + Math.random() * 1.0 + 0.5,
-                                        player.getZ() + (Math.random() - 0.5) * 0.5
-                                    ),
-                                    AnimationMode.POP
-                                )
-                            );
+            if (event.getPacket() instanceof EntityStatusS2CPacket statusPacket && statusPacket.getStatus() == 35) {
+                mc.execute(() -> {
+                    if (mc.world == null || !(statusPacket.getEntity(mc.world) instanceof PlayerEntity player)) {
+                        return;
                     }
-                }
+
+                    for (int particleIndex = 0; particleIndex < this.amount.getValue() * 2; particleIndex++) {
+                        if (this.particles.size() <= this.lifespan.getValue() * 20) {
+                            this.particles
+                                .add(
+                                    new HitParticle(
+                                        PositionUtil.getEntityPos(player),
+                                        new Vec3d(
+                                            player.getX() + (Math.random() - 0.5) * 0.5,
+                                            player.getY() + Math.random() * 1.0 + 0.5,
+                                            player.getZ() + (Math.random() - 0.5) * 0.5
+                                        ),
+                                        AnimationMode.POP
+                                    )
+                                );
+                        }
+                    }
+                });
             }
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/ItemESP.java b/src/main/java/dev/zprestige/prestige/module/visual/ItemESP.java
index a7d5dc3..0460247 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/ItemESP.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/ItemESP.java
@@ -69,9 +69,16 @@ public class ItemESP extends Module {
             for (Entry entry : (Iterable<Entry>)(entries)) {
                 this.labels.put((ItemEntity)entry.getKey(), (ItemEspLabel)entry.getValue());
             }
+        } else {
+            this.labels = new LinkedHashMap();
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.labels = new LinkedHashMap();
+    }
+
     @Subscribe
     public void onRender2D(Render2DEvent event) {
         if (mc.world != null && mc.player != null) {
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/NameTags.java b/src/main/java/dev/zprestige/prestige/module/visual/NameTags.java
index e3e9589..7db7623 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/NameTags.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/NameTags.java
@@ -143,9 +143,20 @@ public class NameTags extends Module {
             for (Entry sortedEntry : (Iterable<Entry>)(this.sortedEntries)) {
                 this.displayEntries.put((PlayerEntity)sortedEntry.getKey(), (dev.zprestige.prestige.combat.NameTagEntry)sortedEntry.getValue());
             }
+        } else {
+            this.entriesByPlayer.clear();
+            this.sortedEntries.clear();
+            this.displayEntries.clear();
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.entriesByPlayer.clear();
+        this.sortedEntries.clear();
+        this.displayEntries.clear();
+    }
+
     @Subscribe
     public void onRender2D(Render2DEvent event) {
         if (mc.player != null) {
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/OreSimulation.java b/src/main/java/dev/zprestige/prestige/module/visual/OreSimulation.java
index 0ca1b85..71c5b6e 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/OreSimulation.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/OreSimulation.java
@@ -62,6 +62,7 @@ public class OreSimulation extends Module {
     private RegistryKey cachedDimension;
     private ClientWorld cachedWorld;
     private Frustum frustum;
+    private long lastPrune;
 
     @Subscribe
     public void onRender3D(Render3DEvent event) {
@@ -69,6 +70,7 @@ public class OreSimulation extends Module {
             int centerChunkX = mc.player.getChunkPos().x;
             int centerChunkZ = mc.player.getChunkPos().z;
             int radius = this.chunks.getValue();
+            this.pruneUnloadedChunks();
 
             for (int ring = 0; ring <= radius; ring++) {
                 for (int chunkX = -ring + centerChunkX; chunkX <= ring + centerChunkX; chunkX++) {
@@ -82,6 +84,23 @@ public class OreSimulation extends Module {
         }
     }
 
+    // Drops simulated ores of chunks that are no longer loaded so the cache cannot grow without bound.
+    private void pruneUnloadedChunks() {
+        long now = System.currentTimeMillis();
+        ClientWorld world = mc.world;
+        if (world == null || now - this.lastPrune < 5000L) {
+            return;
+        }
+
+        this.lastPrune = now;
+        RegistryKey dimension = world.getRegistryKey();
+        this.chunkOres.keySet().removeIf(key -> {
+            DimensionChunkKey chunkKey = (DimensionChunkKey)key;
+            return !chunkKey.dimension().equals(dimension)
+                || world.getChunk(ChunkPos.getPackedX(chunkKey.chunkPos()), ChunkPos.getPackedZ(chunkKey.chunkPos()), ChunkStatus.FULL, false) == null;
+        });
+    }
+
     private void renderChunk(Render3DEvent event, int chunkX, int chunkZ) {
         if (this.frustum == null || this.frustum.isVisible(new Box(chunkX << 4, -64.0, chunkZ << 4, (chunkX << 4) + 16, 320.0, (chunkZ << 4) + 16))) {
             ClientWorld world = mc.world;
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/PearlTrajectory.java b/src/main/java/dev/zprestige/prestige/module/visual/PearlTrajectory.java
index 8ee39d5..b9ebdfc 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/PearlTrajectory.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/PearlTrajectory.java
@@ -69,6 +69,13 @@ public class PearlTrajectory extends Module {
         }
     }
 
+    @Override
+    public void onDisable() {
+        this.predictedPaths.clear();
+        this.landingMarkers.clear();
+        this.spawnTimes.clear();
+    }
+
     @Subscribe
     public void onRender3D(Render3DEvent event) {
         if (mc.world != null && mc.player != null) {
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/ShieldRenderer.java b/src/main/java/dev/zprestige/prestige/module/visual/ShieldRenderer.java
index a4226c3..025ac9c 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/ShieldRenderer.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/ShieldRenderer.java
@@ -50,8 +50,16 @@ public class ShieldRenderer extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
+        if (mc.world == null) {
+            blockingTicks.clear();
+            brokenTicksRemaining.clear();
+            return;
+        }
+
+        java.util.Set<UUID> presentIds = new java.util.HashSet<>();
         for (PlayerEntity player : mc.world.getPlayers()) {
             UUID uuid = player.getUuid();
+            presentIds.add(uuid);
             if (player.isUsingItem() && player.getStackInHand(player.getActiveHand()).getItem() instanceof ShieldItem) {
                 blockingTicks.put(uuid, (Integer)blockingTicks.getOrDefault(uuid, 0) + 1);
             } else {
@@ -59,6 +67,7 @@ public class ShieldRenderer extends Module {
             }
         }
 
+        blockingTicks.keySet().retainAll(presentIds);
         brokenTicksRemaining.entrySet().removeIf(entry -> (Integer)((java.util.Map.Entry)entry).getValue() <= 1);
         brokenTicksRemaining.replaceAll((playerId, ticksLeft) -> ((java.lang.Integer)ticksLeft) > 1 ? ((java.lang.Integer)ticksLeft) - 1 : ((java.lang.Integer)ticksLeft));
     }
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/Trajectories.java b/src/main/java/dev/zprestige/prestige/module/visual/Trajectories.java
index 3d82f70..237ca88 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/Trajectories.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/Trajectories.java
@@ -61,7 +61,7 @@ public class Trajectories extends Module {
 
     @Subscribe
     public void onRender3D(Render3DEvent event) {
-        if (mc.player != null) {
+        if (mc.player != null && mc.world != null) {
             ItemStack heldStack = mc.player.getMainHandStack();
             String mode = this.render.getValue().toString();
             Vec3d playerPos = Render2D.getInterpolatedPos(mc.player);
@@ -240,17 +240,19 @@ public class Trajectories extends Module {
         Vec3d renderPos = Render2D.getInterpolatedPos(mc.player);
         Vec3d originalPos = PositionUtil.getPlayerPos();
         player.setPosition(renderPos.x, renderPos.y, renderPos.z);
-        TrajectoriesSimulatedPearl pearl = new TrajectoriesSimulatedPearl(mc.world, player, Items.ENDER_PEARL.getDefaultStack());
-        pearl.setVelocity(player, this.smoothPitch, this.smoothYaw, 0.0F, 1.5F, 1.0F);
-        int steps = 0;
+        try {
+            TrajectoriesSimulatedPearl pearl = new TrajectoriesSimulatedPearl(mc.world, player, Items.ENDER_PEARL.getDefaultStack());
+            pearl.setVelocity(player, this.smoothPitch, this.smoothYaw, 0.0F, 1.5F, 1.0F);
+            int steps = 0;
 
-        while (!pearl.landed && steps++ < 1000) {
-            points.add(PositionUtil.getEntityPos(pearl));
-            pearl.tick();
+            while (!pearl.landed && steps++ < 1000) {
+                points.add(PositionUtil.getEntityPos(pearl));
+                pearl.tick();
+            }
+        } finally {
+            player.setPosition(originalPos);
         }
 
-        player.setPosition(originalPos);
-
         for (int pointIndex = 0; pointIndex < points.size() - 1; pointIndex++) {
             Vec3d point = (Vec3d)points.get(pointIndex);
             points.set(pointIndex, new Vec3d(point.x, point.y - 0.1F, point.z));
@@ -267,36 +269,41 @@ public class Trajectories extends Module {
         Vec3d originalPos = PositionUtil.getPlayerPos();
         float originalPitch = player.getPitch();
         float originalYaw = player.getYaw();
-        player.setPosition(renderPos.x, renderPos.y, renderPos.z);
-        player.setPitch(this.smoothPitch);
-        player.setYaw(this.smoothYaw);
-        dev.zprestige.prestige.world.SimulatedBowArrow arrow = new dev.zprestige.prestige.world.SimulatedBowArrow(EntityType.ARROW, player, mc.world, arrowStack);
-        if (weapon instanceof CrossbowItem) {
-            Vec3d axis = player.getOppositeRotationVector(1.0F);
-            Quaternionf rotation = new Quaternionf().setAngleAxis((double)(angleOffset * (float) (Math.PI / 180.0)), axis.x, axis.y, axis.z);
-            Vector3f direction = player.getRotationVec(1.0F).toVector3f().rotate(rotation);
-            arrow.setVelocity(direction.x(), direction.y(), direction.z(), 3.15F, 1.0F);
-        } else {
-            arrow.setVelocity(player, this.smoothPitch, this.smoothYaw, 0.0F, BowItem.getPullProgress(mc.player.getItemUseTime()) * 3.0F, 1.0F);
+        boolean hitEntity;
+        try {
+            player.setPosition(renderPos.x, renderPos.y, renderPos.z);
+            player.setPitch(this.smoothPitch);
+            player.setYaw(this.smoothYaw);
+            dev.zprestige.prestige.world.SimulatedBowArrow arrow = new dev.zprestige.prestige.world.SimulatedBowArrow(EntityType.ARROW, player, mc.world, arrowStack);
+            if (weapon instanceof CrossbowItem) {
+                Vec3d axis = player.getOppositeRotationVector(1.0F);
+                Quaternionf rotation = new Quaternionf().setAngleAxis((double)(angleOffset * (float) (Math.PI / 180.0)), axis.x, axis.y, axis.z);
+                Vector3f direction = player.getRotationVec(1.0F).toVector3f().rotate(rotation);
+                arrow.setVelocity(direction.x(), direction.y(), direction.z(), 3.15F, 1.0F);
+            } else {
+                arrow.setVelocity(player, this.smoothPitch, this.smoothYaw, 0.0F, BowItem.getPullProgress(mc.player.getItemUseTime()) * 3.0F, 1.0F);
+            }
+
+            arrow.inFlight = true;
+            int steps = 0;
+
+            while (arrow.inFlight && steps++ < 1000) {
+                points.add(PositionUtil.getEntityPos(arrow));
+                arrow.tick();
+            }
+
+            hitEntity = arrow.hitEntity;
+        } finally {
+            player.setPosition(originalPos);
+            player.setPitch(originalPitch);
+            player.setYaw(originalYaw);
         }
 
-        arrow.inFlight = true;
-        int steps = 0;
-
-        while (arrow.inFlight && steps++ < 1000) {
-            points.add(PositionUtil.getEntityPos(arrow));
-            arrow.tick();
-        }
-
-        player.setPosition(originalPos);
-        player.setPitch(originalPitch);
-        player.setYaw(originalYaw);
-
         for (int pointIndex = 0; pointIndex < points.size() - 1; pointIndex++) {
             Vec3d point = (Vec3d)points.get(pointIndex);
             points.set(pointIndex, new Vec3d(point.x, point.y - 0.1F, point.z));
         }
 
-        return new TrajectoryPath(points, arrow.hitEntity);
+        return new TrajectoryPath(points, hitEntity);
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/module/visual/TwoDESP.java b/src/main/java/dev/zprestige/prestige/module/visual/TwoDESP.java
index 5382006..d2fc559 100644
--- a/src/main/java/dev/zprestige/prestige/module/visual/TwoDESP.java
+++ b/src/main/java/dev/zprestige/prestige/module/visual/TwoDESP.java
@@ -109,7 +109,10 @@ public class TwoDESP extends Module {
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (mc.world != null && mc.player != null) {
+        if (mc.world == null || mc.player == null) {
+            this.visibleTargets.clear();
+            this.animatedBoxes.clear();
+        } else {
             this.visibleTargets.clear();
             int maxRange = this.maxDistance.getValue();
             boolean includeInvisible = this.showInvisibles.getValue();
diff --git a/src/main/java/dev/zprestige/prestige/network/BlockChangeListener.java b/src/main/java/dev/zprestige/prestige/network/BlockChangeListener.java
index 8dad335..210edde 100644
--- a/src/main/java/dev/zprestige/prestige/network/BlockChangeListener.java
+++ b/src/main/java/dev/zprestige/prestige/network/BlockChangeListener.java
@@ -18,7 +18,16 @@ import net.minecraft.util.math.Vec3d;
 public final class BlockChangeListener implements MinecraftAccess {
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
+        // Packets arrive on the netty thread; BlockChangeTracker maps are plain HashMaps read on the client thread.
         long now = System.currentTimeMillis();
+        if (mc.isOnThread()) {
+            handleReceive(event, now);
+        } else {
+            mc.execute(() -> handleReceive(event, now));
+        }
+    }
+
+    private static void handleReceive(PacketReceiveEvent event, long now) {
         if (event.getPacket() instanceof BlockUpdateS2CPacket blockUpdate) {
             if (blockUpdate.getState() != null && (blockUpdate.getState().isAir() || blockUpdate.getState().getBlock() == Blocks.FIRE)) {
                 BlockChangeTracker.markCleared(blockUpdate.getPos(), now);
diff --git a/src/main/java/dev/zprestige/prestige/network/PacketSender.java b/src/main/java/dev/zprestige/prestige/network/PacketSender.java
index c3cdffd..680eac7 100644
--- a/src/main/java/dev/zprestige/prestige/network/PacketSender.java
+++ b/src/main/java/dev/zprestige/prestige/network/PacketSender.java
@@ -5,6 +5,8 @@ import net.minecraft.network.packet.Packet;
 
 public class PacketSender implements MinecraftAccess {
     public static void sendPacket(Packet packet) {
-        mc.getNetworkHandler().sendPacket(packet);
+        if (mc.getNetworkHandler() != null) {
+            mc.getNetworkHandler().sendPacket(packet);
+        }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/network/SilentSlotManager.java b/src/main/java/dev/zprestige/prestige/network/SilentSlotManager.java
index fa05296..e9e6ba2 100644
--- a/src/main/java/dev/zprestige/prestige/network/SilentSlotManager.java
+++ b/src/main/java/dev/zprestige/prestige/network/SilentSlotManager.java
@@ -39,7 +39,7 @@ public class SilentSlotManager implements MinecraftAccess {
             if (event.getPacket() instanceof PlayerInteractItemC2SPacket
                 || event.getPacket() instanceof PlayerInteractBlockC2SPacket
                 || event.getPacket() instanceof PlayerInteractEntityC2SPacket
-                    && InventoryUtil.isSword(mc.player.getMainHandStack())) {
+                    && mc.player != null && InventoryUtil.isSword(mc.player.getMainHandStack())) {
                 this.restoreSlot();
             }
         }
@@ -48,16 +48,22 @@ public class SilentSlotManager implements MinecraftAccess {
     public void spoofSlot(int slot) {
         this.spoofedSlot = slot;
         this.sendingOwnPacket = true;
-        PacketSender.sendPacket(new UpdateSelectedSlotC2SPacket(slot));
-        this.sendingOwnPacket = false;
+        try {
+            PacketSender.sendPacket(new UpdateSelectedSlotC2SPacket(slot));
+        } finally {
+            this.sendingOwnPacket = false;
+        }
     }
 
     public void restoreSlot() {
         if (this.spoofedSlot != -1) {
             this.sendingOwnPacket = true;
-            PacketSender.sendPacket(new UpdateSelectedSlotC2SPacket(InventoryUtil.getSelectedSlot()));
-            this.sendingOwnPacket = false;
-            this.spoofedSlot = -1;
+            try {
+                PacketSender.sendPacket(new UpdateSelectedSlotC2SPacket(InventoryUtil.getSelectedSlot()));
+            } finally {
+                this.sendingOwnPacket = false;
+                this.spoofedSlot = -1;
+            }
         }
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/network/TotemPopManager.java b/src/main/java/dev/zprestige/prestige/network/TotemPopManager.java
index a9b9e23..b71b8db 100644
--- a/src/main/java/dev/zprestige/prestige/network/TotemPopManager.java
+++ b/src/main/java/dev/zprestige/prestige/network/TotemPopManager.java
@@ -27,15 +27,22 @@ public class TotemPopManager implements MinecraftAccess {
 
     @Subscribe
     public void onPacketReceive(PacketReceiveEvent event) {
-        if (event.getPacket() instanceof EntityStatusS2CPacket statusPacket && statusPacket.getStatus() == (int)TOTEM_POP_STATUS && statusPacket.getEntity(mc.world) instanceof PlayerEntity player) {
-            int pops = this.popCounts.getOrDefault(player.getUuid(), 0);
-            this.popCounts.put(player.getUuid(), ++pops);
+        if (event.getPacket() instanceof EntityStatusS2CPacket statusPacket && statusPacket.getStatus() == (int)TOTEM_POP_STATUS) {
+            // Packets arrive on the netty thread; touch the world and pop map on the client thread only.
+            mc.execute(() -> {
+                if (mc.world != null && statusPacket.getEntity(mc.world) instanceof PlayerEntity player) {
+                    int pops = this.popCounts.getOrDefault(player.getUuid(), 0);
+                    this.popCounts.put(player.getUuid(), ++pops);
+                }
+            });
         }
     }
 
     @Subscribe
     public void onClientTick(ClientTickEvent event) {
-        if (!this.popCounts.isEmpty()) {
+        if (mc.world == null) {
+            this.popCounts.clear();
+        } else if (!this.popCounts.isEmpty()) {
             this.presentPlayers.clear();
 
             for (PlayerEntity player : mc.world.getPlayers()) {
diff --git a/src/main/java/dev/zprestige/prestige/reflect/FieldAccessor.java b/src/main/java/dev/zprestige/prestige/reflect/FieldAccessor.java
index 5757365..6b64bc4 100644
--- a/src/main/java/dev/zprestige/prestige/reflect/FieldAccessor.java
+++ b/src/main/java/dev/zprestige/prestige/reflect/FieldAccessor.java
@@ -55,6 +55,10 @@ public class FieldAccessor extends ReflectionBase {
     }
 
     public Object get(Object target) {
+        if (!this.isStaticField && target == null) {
+            throw new NullPointerException("target cannot be null for instance field " + this.field);
+        }
+
         try {
             if (UNSAFE != null) {
                 return this.unsafeGet(target);
@@ -69,6 +73,10 @@ public class FieldAccessor extends ReflectionBase {
     }
 
     public void set(Object target, Object value) {
+        if (!this.isStaticField && target == null) {
+            throw new NullPointerException("target cannot be null for instance field " + this.field);
+        }
+
         if (this.isStaticField) {
             if (UNSAFE != null) {
                 this.unsafeSet(null, value);
diff --git a/src/main/java/dev/zprestige/prestige/reflect/MappedField.java b/src/main/java/dev/zprestige/prestige/reflect/MappedField.java
index 728f05b..e6b08d8 100644
--- a/src/main/java/dev/zprestige/prestige/reflect/MappedField.java
+++ b/src/main/java/dev/zprestige/prestige/reflect/MappedField.java
@@ -42,6 +42,10 @@ public final class MappedField {
     }
 
     private Object resolveTarget(Object target) {
+        if (!this.isStatic && target == null) {
+            throw new NullPointerException("target cannot be null for instance field " + this.field);
+        }
+
         return this.isStatic ? this.staticBase : target;
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/reflect/ReflectionBase.java b/src/main/java/dev/zprestige/prestige/reflect/ReflectionBase.java
index 78dd571..fc4e11a 100644
--- a/src/main/java/dev/zprestige/prestige/reflect/ReflectionBase.java
+++ b/src/main/java/dev/zprestige/prestige/reflect/ReflectionBase.java
@@ -19,21 +19,20 @@ public abstract class ReflectionBase {
     private static final Map RESOLVED_METHODS = new ConcurrentHashMap();
 
     public static AccessibleObject forceAccessible(AccessibleObject member) {
-        if (UNSAFE == null) {
+        try {
             member.setAccessible(true);
             return member;
-        } else {
+        } catch (Throwable accessError) {
+            if (UNSAFE == null) {
+                throw accessError;
+            }
+
             try {
                 UNSAFE.putBoolean(member, 12L, true);
-                return member;
-            } catch (Throwable unsafeError) {
-                try {
-                    member.setAccessible(true);
-                } catch (Throwable ignored) {
-                }
-
-                return member;
+            } catch (Throwable ignored) {
             }
+
+            return member;
         }
     }
 
@@ -215,7 +214,7 @@ public abstract class ReflectionBase {
 
             char typeChar = descriptor.charAt(index);
             if (typeChar == 'L') {
-                Class elementClass = Class.forName(descriptor.substring(index + 1, descriptor.indexOf(59, index)).replace('/', '.'));
+                Class elementClass = Class.forName(descriptor.substring(index + 1, descriptor.indexOf(59, index)).replace('/', '.'), false, classLoader);
                 return toArrayType(elementClass, arrayDepth);
             } else {
                 return toArrayType(primitiveForDescriptor(Integer.valueOf(typeChar)), arrayDepth);
diff --git a/src/main/java/dev/zprestige/prestige/render/BufferSource.java b/src/main/java/dev/zprestige/prestige/render/BufferSource.java
index 050abf8..3c786de 100644
--- a/src/main/java/dev/zprestige/prestige/render/BufferSource.java
+++ b/src/main/java/dev/zprestige/prestige/render/BufferSource.java
@@ -10,8 +10,11 @@ import java.util.WeakHashMap;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Stream;
 import org.lwjgl.opengl.ARBVertexArrayObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class BufferSource {
+    private static final Logger LOGGER = LoggerFactory.getLogger(BufferSource.class);
     private final WeakHashMap buffersByMode = new WeakHashMap();
     private final Set pendingModes = new LinkedHashSet();
     public static final boolean ASSERTIONS_DISABLED = !BufferSource.class.desiredAssertionStatus();
@@ -53,6 +56,8 @@ public class BufferSource {
             MappedMeshBuilder builder = (MappedMeshBuilder)bufferData.activeBuilder().get();
             if (!ASSERTIONS_DISABLED && builder == null) {
                 throw new AssertionError(MISSING_BUILDER_MESSAGE);
+            } else if (builder == null) {
+                return;
             } else {
                 int indexCount = builder.getIndexCount();
                 int vertexCount = builder.getVertexCount();
@@ -66,11 +71,18 @@ public class BufferSource {
     }
 
     public void flush(CameraMatrices context) {
-        for (DrawPipeline drawMode : (Iterable<DrawPipeline>)(this.pendingModes)) {
-            this.draw(context, drawMode);
+        try {
+            for (DrawPipeline drawMode : (Iterable<DrawPipeline>)(this.pendingModes)) {
+                try {
+                    this.draw(context, drawMode);
+                } catch (Throwable throwable) {
+                    LOGGER.error("Failed to draw buffered pipeline", throwable);
+                }
+            }
+        } finally {
+            this.pendingModes.clear();
         }
 
-        this.pendingModes.clear();
         this.buffersByMode.size();
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/render/DrawCommandQueue.java b/src/main/java/dev/zprestige/prestige/render/DrawCommandQueue.java
index 5f6d707..cae48bf 100644
--- a/src/main/java/dev/zprestige/prestige/render/DrawCommandQueue.java
+++ b/src/main/java/dev/zprestige/prestige/render/DrawCommandQueue.java
@@ -16,6 +16,7 @@ public class DrawCommandQueue {
     private boolean initialized = false;
     private final List commands = new ArrayList();
     public float nextDepth = 0.0F;
+    private static final int MAX_QUEUED_COMMANDS = 200000;
 
     private void ensureInitialized() {
         if (!this.initialized) {
@@ -29,6 +30,10 @@ public class DrawCommandQueue {
     }
 
     public void enqueue(DrawCommand command) {
+        if (this.commands.size() >= MAX_QUEUED_COMMANDS) {
+            this.clear();
+        }
+
         this.commands.add(new QueuedDraw(command, this.nextDepth));
         this.nextDepth = Math.nextUp(this.nextDepth);
     }
@@ -37,60 +42,69 @@ public class DrawCommandQueue {
         if (this.commands.isEmpty()) {
             this.nextDepth = 0.0F;
         } else {
-            this.ensureInitialized();
-            int batchStart = 0;
+            boolean scissorEnabled = false;
+            try {
+                this.ensureInitialized();
+                int batchStart = 0;
 
-            while (batchStart < this.commands.size()) {
-                DrawBatchKey key = ((QueuedDraw)this.commands.get(batchStart)).drawable().getBatchKey();
-                int batchEnd = batchStart + 1;
+                while (batchStart < this.commands.size()) {
+                    DrawBatchKey key = ((QueuedDraw)this.commands.get(batchStart)).drawable().getBatchKey();
+                    int batchEnd = batchStart + 1;
 
-                while (batchEnd < this.commands.size() && ((QueuedDraw)this.commands.get(batchEnd)).drawable().getBatchKey().equals(key)) {
-                    batchEnd++;
-                }
-
-                List batch = this.commands.subList(batchStart, batchEnd);
-                Vector4f scissor = key.scissorRect();
-                if (scissor != null) {
-                    GL11.glEnable(3089);
-                    int framebufferHeight = RenderCore.getFramebufferHeight();
-                    float scale = RenderCore.getScaleFactor();
-                    GL11.glScissor((int)(scissor.x * scale), (int)(framebufferHeight - scissor.y * scale - scissor.w * scale), (int)(scissor.z * scale), (int)(scissor.w * scale));
-                }
-
-                DrawPipeline pipeline = key.drawMode();
-                this.vertexArray
-                    .setBindings(VertexArray.createBindings(this.vertexBuffer, pipeline.getVertexFormat()));
-                MappedMeshBuilder builder = new MappedMeshBuilder(pipeline.getVertexFormat(), this.vertexBuffer, this.indexBuffer);
-
-                int indexCount;
-                int vertexCount;
-                try {
-                    for (QueuedDraw entry : (Iterable<QueuedDraw>)(batch)) {
-                        entry.drawable().emitVertices(builder, entry.depth());
+                    while (batchEnd < this.commands.size() && ((QueuedDraw)this.commands.get(batchEnd)).drawable().getBatchKey().equals(key)) {
+                        batchEnd++;
                     }
 
-                    vertexCount = builder.getVertexCount();
-                    indexCount = builder.getIndexCount();
-                } catch (Throwable failure) {
+                    List batch = this.commands.subList(batchStart, batchEnd);
+                    Vector4f scissor = key.scissorRect();
+                    if (scissor != null) {
+                        GL11.glEnable(3089);
+                        scissorEnabled = true;
+                        int framebufferHeight = RenderCore.getFramebufferHeight();
+                        float scale = RenderCore.getScaleFactor();
+                        GL11.glScissor((int)(scissor.x * scale), (int)(framebufferHeight - scissor.y * scale - scissor.w * scale), (int)(scissor.z * scale), (int)(scissor.w * scale));
+                    }
+
+                    DrawPipeline pipeline = key.drawMode();
+                    this.vertexArray
+                        .setBindings(VertexArray.createBindings(this.vertexBuffer, pipeline.getVertexFormat()));
+                    MappedMeshBuilder builder = new MappedMeshBuilder(pipeline.getVertexFormat(), this.vertexBuffer, this.indexBuffer);
+
+                    int indexCount;
+                    int vertexCount;
                     try {
-                        builder.close();
-                    } catch (Throwable closeFailure) {
-                        failure.addSuppressed(closeFailure);
+                        for (QueuedDraw entry : (Iterable<QueuedDraw>)(batch)) {
+                            entry.drawable().emitVertices(builder, entry.depth());
+                        }
+
+                        vertexCount = builder.getVertexCount();
+                        indexCount = builder.getIndexCount();
+                    } catch (Throwable failure) {
+                        try {
+                            builder.close();
+                        } catch (Throwable closeFailure) {
+                            failure.addSuppressed(closeFailure);
+                        }
+
+                        throw failure;
                     }
 
-                    throw failure;
-                }
+                    builder.close();
+                    pipeline.draw(context, this.vertexArray, this.indexBuffer, new MeshInfo(pipeline.getVertexFormat(), vertexCount, indexCount));
+                    if (scissor != null) {
+                        GL11.glDisable(3089);
+                        scissorEnabled = false;
+                    }
 
-                builder.close();
-                pipeline.draw(context, this.vertexArray, this.indexBuffer, new MeshInfo(pipeline.getVertexFormat(), vertexCount, indexCount));
-                if (scissor != null) {
+                    batchStart = batchEnd;
+                }
+            } finally {
+                if (scissorEnabled) {
                     GL11.glDisable(3089);
                 }
 
-                batchStart = batchEnd;
+                this.clear();
             }
-
-            this.clear();
         }
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/render/DrawPipeline.java b/src/main/java/dev/zprestige/prestige/render/DrawPipeline.java
index b33a5d8..5402c7e 100644
--- a/src/main/java/dev/zprestige/prestige/render/DrawPipeline.java
+++ b/src/main/java/dev/zprestige/prestige/render/DrawPipeline.java
@@ -49,17 +49,19 @@ public class DrawPipeline {
             }
 
             GlRenderPass pass = passBuilder.build();
-            pass.begin();
-            pass.uploadMatrices(context);
+            try {
+                pass.begin();
+                pass.uploadMatrices(context);
 
-            for (RenderStateElement applyState : this.states) {
-                applyState.apply(pass);
-            }
+                for (RenderStateElement applyState : this.states) {
+                    applyState.apply(pass);
+                }
 
-            pass.drawIndexed(vertexArray, indexBuffer, this.primitiveMode, drawInfo.indexCount());
-
-            for (RenderStateElement cleanupState : this.states) {
-                cleanupState.cleanup();
+                pass.drawIndexed(vertexArray, indexBuffer, this.primitiveMode, drawInfo.indexCount());
+            } finally {
+                for (RenderStateElement cleanupState : this.states) {
+                    cleanupState.cleanup();
+                }
             }
         }
     }
diff --git a/src/main/java/dev/zprestige/prestige/render/EspShaderManager.java b/src/main/java/dev/zprestige/prestige/render/EspShaderManager.java
index cf7f31a..9065c74 100644
--- a/src/main/java/dev/zprestige/prestige/render/EspShaderManager.java
+++ b/src/main/java/dev/zprestige/prestige/render/EspShaderManager.java
@@ -56,7 +56,7 @@ public class EspShaderManager implements MinecraftAccess {
                         }
                         break;
                     } else {
-                        entity = type.create(mc.world, null);
+                        entity = createEntity(type);
                         if (entity != null) {
                             discardAfter = true;
                             break;
@@ -82,6 +82,14 @@ public class EspShaderManager implements MinecraftAccess {
         }
     }
 
+    private static Entity createEntity(EntityType type) {
+        try {
+            return type.create(mc.world, null);
+        } catch (Throwable ignored) {
+            return null;
+        }
+    }
+
     private static Class getRendererModelClass(EntityRenderer renderer) {
         Class rendererClass = renderer.getClass();
         Class cached = (Class)rendererModelCache.get(rendererClass);
@@ -139,7 +147,7 @@ public class EspShaderManager implements MinecraftAccess {
                         }
                         break;
                     } else {
-                        entity = type.create(mc.world, null);
+                        entity = createEntity(type);
                         if (entity != null) {
                             discardAfter = true;
                             break;
diff --git a/src/main/java/dev/zprestige/prestige/render/GlTextureHandle.java b/src/main/java/dev/zprestige/prestige/render/GlTextureHandle.java
index 13dccfd..a675bf4 100644
--- a/src/main/java/dev/zprestige/prestige/render/GlTextureHandle.java
+++ b/src/main/java/dev/zprestige/prestige/render/GlTextureHandle.java
@@ -111,6 +111,20 @@ public class GlTextureHandle implements AutoCloseable {
         }
     }
 
+    @Override
+    public boolean equals(Object other) {
+        if (this == other) {
+            return true;
+        } else {
+            return other instanceof GlTextureHandle that && this.target == that.target && this.glId == that.glId;
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return 31 * this.target + this.glId;
+    }
+
     public static GlTextureHandle wrapMinecraftTexture(Identifier textureIdentifier) {
         return wrap(3553, ((GlTexture)MinecraftAccess.mc.getTextureManager().getTexture(textureIdentifier).getGlTexture()).getGlId());
     }
diff --git a/src/main/java/dev/zprestige/prestige/render/MsdfFont.java b/src/main/java/dev/zprestige/prestige/render/MsdfFont.java
index 12a6a56..94b1572 100644
--- a/src/main/java/dev/zprestige/prestige/render/MsdfFont.java
+++ b/src/main/java/dev/zprestige/prestige/render/MsdfFont.java
@@ -85,36 +85,39 @@ public class MsdfFont {
         this.texelWidth = 1.0F / this.atlasWidth;
         this.texelHeight = 1.0F / this.atlasHeight;
         NativeImage image = NativeImage.read(imageStream);
-        this.atlasTexture = GlTextureHandle.create(3553);
-        this.atlasTexture.allocate(32856, image.getWidth(), image.getHeight());
-        int width = image.getWidth();
-        int height = image.getHeight();
-        ByteBuffer pixels = BufferUtils.createByteBuffer(width * height * 4);
-        pixels.order(ByteOrder.LITTLE_ENDIAN);
+        try {
+            this.atlasTexture = GlTextureHandle.create(3553);
+            this.atlasTexture.allocate(32856, image.getWidth(), image.getHeight());
+            int width = image.getWidth();
+            int height = image.getHeight();
+            ByteBuffer pixels = BufferUtils.createByteBuffer(width * height * 4);
+            pixels.order(ByteOrder.LITTLE_ENDIAN);
 
-        for (int row = 0; row < height; row++) {
-            int column = 0;
+            for (int row = 0; row < height; row++) {
+                int column = 0;
 
-            while (column < width) {
-                int argb = image.getColorArgb(column, row);
+                while (column < width) {
+                    int argb = image.getColorArgb(column, row);
 
-                {
-                    pixels.putInt(argb);
-                    column++;
+                    {
+                        pixels.putInt(argb);
+                        column++;
+                    }
                 }
             }
-        }
 
-        pixels.flip();
-        GL11.glPixelStorei(3317, 1);
-        GL11.glPixelStorei(3314, 0);
-        GL11.glPixelStorei(3316, 0);
-        GL11.glPixelStorei(3315, 0);
-        this.atlasTexture.uploadRegion(0, 0, width, height, 6408, 5121, pixels);
-        GL11.glPixelStorei(3317, 4);
-        this.atlasTexture.setFilter(9729);
-        this.atlasTexture.setWrapMode(33071);
-        image.close();
+            pixels.flip();
+            GL11.glPixelStorei(3317, 1);
+            GL11.glPixelStorei(3314, 0);
+            GL11.glPixelStorei(3316, 0);
+            GL11.glPixelStorei(3315, 0);
+            this.atlasTexture.uploadRegion(0, 0, width, height, 6408, 5121, pixels);
+            GL11.glPixelStorei(3317, 4);
+            this.atlasTexture.setFilter(9729);
+            this.atlasTexture.setWrapMode(33071);
+        } finally {
+            image.close();
+        }
 
         for (JsonElement glyphElement : json.getAsJsonArray("glyphs")) {
             MsdfGlyph glyph = MsdfGlyph.fromJson(glyphElement.getAsJsonObject());
diff --git a/src/main/java/dev/zprestige/prestige/render/Notification.java b/src/main/java/dev/zprestige/prestige/render/Notification.java
index d813396..8c3d4ac 100644
--- a/src/main/java/dev/zprestige/prestige/render/Notification.java
+++ b/src/main/java/dev/zprestige/prestige/render/Notification.java
@@ -9,6 +9,7 @@ import java.awt.Color;
 import org.joml.Matrix4f;
 
 public class Notification {
+    private static final java.util.Map<String, GlTextureHandle> ICON_CACHE = new java.util.HashMap<>();
     public final String title;
     public final String message;
     private final long durationMs;
@@ -36,7 +37,7 @@ public class Notification {
 
     public float render(Matrix4f matrix, BufferSource buffers, CameraMatrices context, float posX, float posY, float width, float height, boolean visible) {
         if (this.iconTexture == null) {
-            this.iconTexture = TextureLoader.loadTexture(this.iconPath);
+            this.iconTexture = ICON_CACHE.computeIfAbsent(this.iconPath, TextureLoader::loadTexture);
         }
 
         posX += (width + 30.0F) * (1.0F - this.animation);
diff --git a/src/main/java/dev/zprestige/prestige/render/PostShader.java b/src/main/java/dev/zprestige/prestige/render/PostShader.java
index d723854..9a5b8bd 100644
--- a/src/main/java/dev/zprestige/prestige/render/PostShader.java
+++ b/src/main/java/dev/zprestige/prestige/render/PostShader.java
@@ -24,7 +24,7 @@ public abstract class PostShader extends ShaderBase {
         this.maskHeight = -1;
         this.initialized = false;
         this.maskFramebuffer = GlFramebuffer.create();
-        this.pipelineCache = new java.util.HashMap();   // reconstructed: the ZKM ref was lost
+        this.pipelineCache = dev.zprestige.prestige.math.RenderCacheUtil.newLruCache(256);
         this.maskTexture = GlTextureHandle.create(3553);   // reconstructed: colour attachment texture (GL_TEXTURE_2D), sized on first use in g()
     }
 
@@ -47,17 +47,20 @@ public abstract class PostShader extends ShaderBase {
                 GL11.glEnable(3042);
                 GL11.glBlendFunc(770, 771);
                 GL11.glDisable(2929);
-                this.compositePasses.render();
-                if (depthWasEnabled) {
-                    GL11.glEnable(2929);
-                }
+                try {
+                    this.compositePasses.render();
+                } finally {
+                    if (depthWasEnabled) {
+                        GL11.glEnable(2929);
+                    }
 
-                if (cullWasEnabled) {
-                    GL11.glEnable(2884);
-                }
+                    if (cullWasEnabled) {
+                        GL11.glEnable(2884);
+                    }
 
-                if (!blendWasEnabled) {
-                    GL11.glDisable(3042);
+                    if (!blendWasEnabled) {
+                        GL11.glDisable(3042);
+                    }
                 }
 
                 this.maskFramebuffer.clearColor(0.0F, 0.0F, 0.0F, 0.0F);
diff --git a/src/main/java/dev/zprestige/prestige/render/RenderCore.java b/src/main/java/dev/zprestige/prestige/render/RenderCore.java
index f7f304a..fe95dc4 100644
--- a/src/main/java/dev/zprestige/prestige/render/RenderCore.java
+++ b/src/main/java/dev/zprestige/prestige/render/RenderCore.java
@@ -16,8 +16,11 @@ import net.minecraft.client.gl.GlBackend;
 import net.minecraft.client.texture.GlTexture;
 import net.minecraft.util.math.Vec3d;
 import org.joml.Vector3d;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class RenderCore {
+    private static final Logger LOGGER = LoggerFactory.getLogger(RenderCore.class);
     public static final Cleaner CLEANER = Cleaner.create();
     public static final BufferSource BUFFER_SOURCE = new BufferSource();
     private static final List TASK_QUEUE = new ArrayList();
@@ -59,30 +62,25 @@ public class RenderCore {
         }
     }
 
-    // $VF: Could not create synchronized statement, marking monitor enters and exits
-    // Please report this to the Vineflower issue tracker, at https://github.com/Vineflower/vineflower/issues with a copy of the class file (if you have the rights to distribute it!)
     public static List drainTasks() {
-        synchronized (TASK_QUEUE){} // $VF: monitorenter 
-
-        try {
+        synchronized (TASK_QUEUE) {
             if (TASK_QUEUE.isEmpty()) {
-                List empty = List.of();
-                // $VF: monitorexit
-                return empty;
-            } else {
-                ArrayList drained = new ArrayList(TASK_QUEUE);
-                TASK_QUEUE.clear();
-                // $VF: monitorexit
-                return drained;
+                return List.of();
             }
-        } finally {
-            // $VF: monitorexit
+
+            ArrayList drained = new ArrayList(TASK_QUEUE);
+            TASK_QUEUE.clear();
+            return drained;
         }
     }
 
     public static void runTasks(List tasks) {
         for (Runnable task : (Iterable<Runnable>)(tasks)) {
-            task.run();
+            try {
+                task.run();
+            } catch (Throwable throwable) {
+                LOGGER.error("Render thread task failed", throwable);
+            }
         }
     }
 
@@ -90,8 +88,12 @@ public class RenderCore {
         Render2D.currentContext = context;
         Render2D.currentBuffers = BUFFER_SOURCE;
         worldContext = context;
-        ((RenderCallback)RenderEvents.WORLD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
-        BUFFER_SOURCE.flush(context);
+        try {
+            ((RenderCallback)RenderEvents.WORLD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
+            BUFFER_SOURCE.flush(context);
+        } catch (Throwable throwable) {
+            LOGGER.error("World render failed", throwable);
+        }
     }
 
     public static void renderHud(CameraMatrices context) {
@@ -99,10 +101,14 @@ public class RenderCore {
         if (MinecraftAccess.mc.world != null && MinecraftAccess.mc.player != null) {
             Render2D.currentContext = context;
             Render2D.currentBuffers = BUFFER_SOURCE;
-            ((RenderCallback)RenderEvents.HUD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
-            BUFFER_SOURCE.flush(context);
-            ((RenderCallback)RenderEvents.AFTER_HUD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
-            BUFFER_SOURCE.flush(context);
+            try {
+                ((RenderCallback)RenderEvents.HUD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
+                BUFFER_SOURCE.flush(context);
+                ((RenderCallback)RenderEvents.AFTER_HUD_RENDER.invoker()).onRender(BUFFER_SOURCE, context);
+                BUFFER_SOURCE.flush(context);
+            } catch (Throwable throwable) {
+                LOGGER.error("HUD render failed", throwable);
+            }
         }
     }
 
diff --git a/src/main/java/dev/zprestige/prestige/render/RenderEvents.java b/src/main/java/dev/zprestige/prestige/render/RenderEvents.java
index 0ffe2bb..d7efcf3 100644
--- a/src/main/java/dev/zprestige/prestige/render/RenderEvents.java
+++ b/src/main/java/dev/zprestige/prestige/render/RenderEvents.java
@@ -3,8 +3,11 @@ package dev.zprestige.prestige.render;
 import net.fabricmc.fabric.api.event.Event;
 import net.fabricmc.fabric.api.event.EventFactory;
 import org.jetbrains.annotations.NotNull;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public interface RenderEvents {
+    Logger LOGGER = LoggerFactory.getLogger(RenderEvents.class);
     Event HUD_RENDER = createEvent();
     Event WORLD_RENDER = createEvent();
     Event AFTER_HUD_RENDER = createEvent();
@@ -13,7 +16,11 @@ public interface RenderEvents {
     private static Event createEvent() {
         return EventFactory.createArrayBacked(RenderCallback.class, listeners -> (buffers, context) -> {
             for (RenderCallback listener : (listeners)) {
-                listener.onRender(buffers, context);
+                try {
+                    listener.onRender(buffers, context);
+                } catch (Throwable throwable) {
+                    LOGGER.error("Render listener failed", throwable);
+                }
             }
         });
     }
diff --git a/src/main/java/dev/zprestige/prestige/render/RoundedTextureShader.java b/src/main/java/dev/zprestige/prestige/render/RoundedTextureShader.java
index 3ac5a88..9d3dc21 100644
--- a/src/main/java/dev/zprestige/prestige/render/RoundedTextureShader.java
+++ b/src/main/java/dev/zprestige/prestige/render/RoundedTextureShader.java
@@ -2,6 +2,7 @@ package dev.zprestige.prestige.render;
 
 import dev.zprestige.prestige.data.BlendFuncState;
 import dev.zprestige.prestige.data.CameraMatrices;
+import dev.zprestige.prestige.math.RenderCacheUtil;
 import dev.zprestige.prestige.math.TexturedDrawModeKey;
 import dev.zprestige.prestige.type.BlendMode;
 import dev.zprestige.prestige.type.GlPrimitive;
@@ -18,7 +19,7 @@ import org.lwjgl.opengl.GL20;
 
 public class RoundedTextureShader extends ShaderBase {
     private static final RoundedTextureShader INSTANCE = new RoundedTextureShader();
-    private static final Map DRAW_MODE_CACHE = new HashMap();
+    private static final Map DRAW_MODE_CACHE = RenderCacheUtil.newLruCache(256);
     private final int tintModeUniform;
     private final int roundnessUniform;
 
diff --git a/src/main/java/dev/zprestige/prestige/render/ShaderCompiler.java b/src/main/java/dev/zprestige/prestige/render/ShaderCompiler.java
index 9a93ffc..f64a17d 100644
--- a/src/main/java/dev/zprestige/prestige/render/ShaderCompiler.java
+++ b/src/main/java/dev/zprestige/prestige/render/ShaderCompiler.java
@@ -10,7 +10,14 @@ public class ShaderCompiler {
 
     public static Shader loadProgram(String vertexPath, String fragmentPath, boolean spirv) {
         int vertexShader = compileShader(35633, vertexPath, spirv);
-        int fragmentShader = compileShader(35632, fragmentPath, spirv);
+        int fragmentShader;
+        try {
+            fragmentShader = compileShader(35632, fragmentPath, spirv);
+        } catch (RuntimeException exception) {
+            GL20.glDeleteShader(vertexShader);
+            throw exception;
+        }
+
         int program = GL20.glCreateProgram();
         GL20.glAttachShader(program, vertexShader);
         GL20.glAttachShader(program, fragmentShader);
@@ -18,6 +25,9 @@ public class ShaderCompiler {
         if (GL20.glGetProgrami(program, 35714) == 0) {
             String linkLog = GL20.glGetProgramInfoLog(program);
             System.err.println(linkLog);
+            GL20.glDeleteProgram(program);
+            GL20.glDeleteShader(vertexShader);
+            GL20.glDeleteShader(fragmentShader);
             throw new RuntimeException("Program link failed. See error above");
         } else {
             GL20.glDeleteShader(vertexShader);
@@ -30,12 +40,10 @@ public class ShaderCompiler {
         if (spirv) {
             throw new UnsupportedOperationException("SPIR-V shader loading was removed for GL 3.3 compatibility. Provide GLSL source instead: " + path);
         } else {
-            int shader = GL20.glCreateShader(shaderType);
-
             String source;
             try (InputStream stream = ShaderCompiler.class.getClassLoader().getResourceAsStream(path)) {
-                if (!ASSERTIONS_DISABLED && stream == null) {
-                    throw new AssertionError();
+                if (stream == null) {
+                    throw new IOException("Shader resource not found: " + path);
                 }
 
                 source = new String(stream.readAllBytes(), StandardCharsets.UTF_8);
@@ -43,12 +51,14 @@ public class ShaderCompiler {
                 throw new RuntimeException(exception);
             }
 
+            int shader = GL20.glCreateShader(shaderType);
             GL20.glShaderSource(shader, source);
             GL20.glCompileShader(shader);
             if (GL20.glGetShaderi(shader, 35713) == 0) {
                 String compileLog = GL20.glGetShaderInfoLog(shader);
                 System.err.println(compileLog);
-                throw new RuntimeException("Shader compile failed. See logs above for error");
+                GL20.glDeleteShader(shader);
+                throw new RuntimeException("Shader compile failed for " + path + ". See logs above for error");
             } else {
                 return shader;
             }
diff --git a/src/main/java/dev/zprestige/prestige/render/SilentRotationManager.java b/src/main/java/dev/zprestige/prestige/render/SilentRotationManager.java
index a547608..568201a 100644
--- a/src/main/java/dev/zprestige/prestige/render/SilentRotationManager.java
+++ b/src/main/java/dev/zprestige/prestige/render/SilentRotationManager.java
@@ -49,7 +49,10 @@ public class SilentRotationManager implements MinecraftAccess {
             }
         }
 
-        if (this.rotationProviders.isEmpty() && this.activeRotation == null && this.resyncRotation == null) {
+        if (mc.player == null) {
+            this.serverRotation = null;
+            this.lastSentRotation = null;
+        } else if (this.rotationProviders.isEmpty() && this.activeRotation == null && this.resyncRotation == null) {
             this.serverRotation = null;
             this.lastSentRotation = null;
         } else {
diff --git a/src/main/java/dev/zprestige/prestige/render/StorageOutlineRenderer.java b/src/main/java/dev/zprestige/prestige/render/StorageOutlineRenderer.java
index 2106648..b61d039 100644
--- a/src/main/java/dev/zprestige/prestige/render/StorageOutlineRenderer.java
+++ b/src/main/java/dev/zprestige/prestige/render/StorageOutlineRenderer.java
@@ -111,17 +111,20 @@ public class StorageOutlineRenderer implements MinecraftAccess {
             GL30.glEnable(3042);
             GL30.glBlendFunc(770, 771);
             GL30.glDisable(2929);
-            this.outlinePass.render();
-            if (depthWasEnabled) {
-                GL30.glEnable(2929);
-            }
+            try {
+                this.outlinePass.render();
+            } finally {
+                if (depthWasEnabled) {
+                    GL30.glEnable(2929);
+                }
 
-            if (cullWasEnabled) {
-                GL30.glEnable(2884);
-            }
+                if (cullWasEnabled) {
+                    GL30.glEnable(2884);
+                }
 
-            if (!blendWasEnabled) {
-                GL30.glDisable(3042);
+                if (!blendWasEnabled) {
+                    GL30.glDisable(3042);
+                }
             }
 
             this.framebuffer.clearColor(0.0F, 0.0F, 0.0F, 0.0F);
diff --git a/src/main/java/dev/zprestige/prestige/render/TextureLoader.java b/src/main/java/dev/zprestige/prestige/render/TextureLoader.java
index d90ffa8..74fc266 100644
--- a/src/main/java/dev/zprestige/prestige/render/TextureLoader.java
+++ b/src/main/java/dev/zprestige/prestige/render/TextureLoader.java
@@ -46,6 +46,7 @@ public class TextureLoader {
                     throw new IOException("Image buffer too small: " + pixels.remaining() + " bytes, expected " + expectedSize);
                 }
 
+                int previousTexture = GL11.glGetInteger(32873);
                 GlTextureHandle texture = GlTextureHandle.create(3553);
                 texture.allocate(32856, width, height);
                 GL15.glBindBuffer(35052, 0);
@@ -72,7 +73,7 @@ public class TextureLoader {
                     GL11.glTexParameterf(3553, 34046, Math.min(64.0F, MAX_ANISOTROPY));
                 }
 
-                GL11.glBindTexture(3553, 0);
+                GL11.glBindTexture(3553, previousTexture);
                 result = texture;
             } finally {
                 STBImage.stbi_image_free(pixels);
diff --git a/src/main/java/dev/zprestige/prestige/social/MojangApi.java b/src/main/java/dev/zprestige/prestige/social/MojangApi.java
index 2367d11..5aa0ed6 100644
--- a/src/main/java/dev/zprestige/prestige/social/MojangApi.java
+++ b/src/main/java/dev/zprestige/prestige/social/MojangApi.java
@@ -17,6 +17,8 @@ public class MojangApi {
         try {
             HttpURLConnection connection = (HttpURLConnection)new URL("https://api.mojang.com/users/profiles/minecraft/" + username).openConnection();
             connection.setRequestMethod("GET");
+            connection.setConnectTimeout(5000);
+            connection.setReadTimeout(5000);
             if (connection.getResponseCode() != 200) {
                 return null;
             } else {
@@ -40,6 +42,8 @@ public class MojangApi {
                 )
                 .openConnection();
             connection.setRequestMethod("GET");
+            connection.setConnectTimeout(5000);
+            connection.setReadTimeout(5000);
             if (connection.getResponseCode() != 200) {
                 return null;
             } else {
diff --git a/src/main/java/dev/zprestige/prestige/ui/ConfigsPage.java b/src/main/java/dev/zprestige/prestige/ui/ConfigsPage.java
index 328b397..9ebb975 100644
--- a/src/main/java/dev/zprestige/prestige/ui/ConfigsPage.java
+++ b/src/main/java/dev/zprestige/prestige/ui/ConfigsPage.java
@@ -455,7 +455,8 @@ public final class ConfigsPage {
 
     /** Typed character. Return true if consumed. */
     public static boolean typed(int codepoint) {
-        if (tab > 1 || !searchFocused || codepoint < 32) return false;
+        if (tab > 1 || !searchFocused || codepoint < 32 || !Character.isValidCodePoint(codepoint)) return false;
+        if (query.length() >= 64) return true;
         query += new String(Character.toChars(codepoint));
         return true;
     }
diff --git a/src/main/java/dev/zprestige/prestige/ui/Data.java b/src/main/java/dev/zprestige/prestige/ui/Data.java
index 60090f5..659b2e3 100644
--- a/src/main/java/dev/zprestige/prestige/ui/Data.java
+++ b/src/main/java/dev/zprestige/prestige/ui/Data.java
@@ -64,6 +64,7 @@ public final class Data {
         }
         out.add(bind);
         for (String[] f : SETTINGS.getOrDefault(module, List.of())) {
+            if (f.length < 4) continue;   // malformed settings.tsv row
             DetailPage.Setting s = new DetailPage.Setting();
             s.name = f[2]; s.desc = f[3];
             try {
diff --git a/src/main/java/dev/zprestige/prestige/ui/DetailPage.java b/src/main/java/dev/zprestige/prestige/ui/DetailPage.java
index fb9ffc8..d991936 100644
--- a/src/main/java/dev/zprestige/prestige/ui/DetailPage.java
+++ b/src/main/java/dev/zprestige/prestige/ui/DetailPage.java
@@ -165,6 +165,7 @@ public final class DetailPage {
         float v74 = (a3 + 17f) + 10f;
         fillRect(v73, v74 - 3f, 200f, 6f, 3f, new float[]{1f, 1f, 1f, 0.1f});
         float span = s.rmax - s.rmin;
+        if (!(span > 0f)) span = 1f;   // zero/NaN range would give NaN draw coordinates
         float a = Math.min(1f, (s.lo - s.rmin) / span); if (a < 0f) a = 0f;
         float bb = Math.min(1f, (s.hi - s.rmin) / span); if (bb < 0f) bb = 0f;
         float x1 = a * 200f + v73, x2 = bb * 200f + v73;
@@ -192,7 +193,7 @@ public final class DetailPage {
     static void slider(float x, float y, float w, float h, float val, float min, float max, boolean hot, boolean drag) {
         float cy = h * 0.5f + y;
         fillRect(x, cy - 3f, w, 6f, 3f, new float[]{1f, 1f, 1f, 0.1f});
-        float t = Math.min(1f, (val - min) / (max - min)); if (t < 0f) t = 0f;
+        float t = max > min ? Math.min(1f, (val - min) / (max - min)) : 0f; if (!(t >= 0f)) t = 0f;   // max == min / NaN would give NaN draw coordinates
         float fw = t * w;
         fillRect(x, cy - 3f, fw, 6f, 3f, Theme.accent());
         knob(fw + x, cy, hot, drag);
diff --git a/src/main/java/dev/zprestige/prestige/ui/LocalConfigs.java b/src/main/java/dev/zprestige/prestige/ui/LocalConfigs.java
index 0b50ee6..c317834 100644
--- a/src/main/java/dev/zprestige/prestige/ui/LocalConfigs.java
+++ b/src/main/java/dev/zprestige/prestige/ui/LocalConfigs.java
@@ -88,6 +88,10 @@ public final class LocalConfigs {
                         Entry e = GSON.fromJson(Files.readString(p, StandardCharsets.UTF_8), Entry.class);
                         if (e == null || e.name == null || e.name.isBlank()) continue;
                         if (e.tags == null) e.tags = new ArrayList<>();
+                        e.tags.removeIf(java.util.Objects::isNull);
+                        if (e.desc == null) e.desc = "";
+                        if (e.author == null) e.author = "";
+                        if (e.date == null) e.date = "";
                         ALL.add(e);
                     } catch (Throwable t) { System.out.println("[prestige-ui] config " + p.getFileName() + ": " + t); }
                 }
@@ -174,7 +178,8 @@ public final class LocalConfigs {
         e.date = LocalDate.now().toString();
         e.visibility = CreateConfigPage.visibility;
         for (int i = 0; i < CreateConfigPage.TAGS.length; i++) if (CreateConfigPage.tagSel[i]) e.tags.add(CreateConfigPage.TAGS[i]);
-        e.data = GSON.fromJson(snap, JsonObject.class);
+        try { e.data = GSON.fromJson(snap, JsonObject.class); }
+        catch (RuntimeException ex) { System.out.println("[prestige-ui] config snapshot: " + ex); WidgetsPage.toast("Could not create config"); return; }
         write(e);
         ALL.add(0, e);
         CreateConfigPage.name.setLength(0);
@@ -210,7 +215,8 @@ public final class LocalConfigs {
         Entry e = find(c);
         String snap = snapshot();
         if (e == null || snap == null) { WidgetsPage.toast("Could not update config"); return; }
-        e.data = GSON.fromJson(snap, JsonObject.class);
+        try { e.data = GSON.fromJson(snap, JsonObject.class); }
+        catch (RuntimeException ex) { System.out.println("[prestige-ui] config snapshot: " + ex); WidgetsPage.toast("Could not update config"); return; }
         e.date = LocalDate.now().toString();
         write(e);
         rebuild();
diff --git a/src/main/java/dev/zprestige/prestige/ui/WidgetsPage.java b/src/main/java/dev/zprestige/prestige/ui/WidgetsPage.java
index 61bd28d..92e4019 100644
--- a/src/main/java/dev/zprestige/prestige/ui/WidgetsPage.java
+++ b/src/main/java/dev/zprestige/prestige/ui/WidgetsPage.java
@@ -208,7 +208,7 @@ public final class WidgetsPage {
         popupFrame(x, y, h, anim, sc, yo);
         for (int i = 0; i < opts.length; i++) {
             float t = stag(anim, i), iy = (i * 28f + y) - yo + (1f - t) * 6f;
-            boolean on = sel[i], hov = hover == i;
+            boolean on = i < sel.length && sel[i], hov = hover == i;
             if (hov) hoverBar(x, iy, i, opts.length, t);
             float bx = x + 10f, by = (iy + 14f) - 6f, ca = chk[i];
             fillRect(bx, by, 12f, 12f, 2f, a(lerp(Theme.e2B70(), Theme.accent(), ca), t));
diff --git a/src/main/java/dev/zprestige/prestige/ui/mc/Entry.java b/src/main/java/dev/zprestige/prestige/ui/mc/Entry.java
index d5ed3eb..f8cf15a 100644
--- a/src/main/java/dev/zprestige/prestige/ui/mc/Entry.java
+++ b/src/main/java/dev/zprestige/prestige/ui/mc/Entry.java
@@ -31,6 +31,7 @@ public final class Entry implements ClientModInitializer {
     static boolean bridgeTried;
 
     void tick(MinecraftClient mc) {
+        if (dev.zprestige.prestige.client.Prestige.selfDestructed) return;
         if (!bridgeTried) { bridgeTried = true; dev.zprestige.prestige.ui.bridge.Bridge.bind(); }
         try {
             long h = mc.getWindow().getHandle();
diff --git a/src/main/java/dev/zprestige/prestige/ui/mc/Overlay.java b/src/main/java/dev/zprestige/prestige/ui/mc/Overlay.java
index 8095f3c..15a5424 100644
--- a/src/main/java/dev/zprestige/prestige/ui/mc/Overlay.java
+++ b/src/main/java/dev/zprestige/prestige/ui/mc/Overlay.java
@@ -65,7 +65,7 @@ public final class Overlay {
 
     // ---- open / close (no Screen involved: the game keeps rendering and updating underneath)
     public static void open() {
-        if (visible) return;
+        if (visible || failed) return;
         MinecraftClient mc = MinecraftClient.getInstance();
         loadPos();
         wasGrabbed = mc.mouse.isCursorLocked();
@@ -119,34 +119,49 @@ public final class Overlay {
     }
 
     // ---- events from the MouseHandler / KeyboardHandler mixins (all return true when consumed)
-    public static boolean onMouseMove() { if (!visible) return false; pollCursor(); return true; }
+    /** Handlers must never throw into the game's input callbacks; an exception here would crash the client. */
+    private static void inputError(Throwable t) { System.out.println("[prestige-ui] input " + t); }
+
+    public static boolean onMouseMove() { if (!visible) return false; try { pollCursor(); } catch (Throwable t) { inputError(t); } return true; }
 
     public static boolean onMouseButton(int button, int action) {
         if (!visible) return false;
-        syncMouse();
-        if (action == 1) Input.mouseDown(button); else if (action == 0) Input.mouseUp(button);
-        afterEvent();
+        if (!inited || failed) return true;
+        try {
+            syncMouse();
+            if (action == 1) Input.mouseDown(button); else if (action == 0) Input.mouseUp(button);
+            afterEvent();
+        } catch (Throwable t) { inputError(t); }
         return true;
     }
 
     public static boolean onScroll(double dy) {
         if (!visible) return false;
-        syncMouse();
-        Input.scroll(dy);
+        if (!inited || failed) return true;
+        try {
+            syncMouse();
+            Input.scroll(dy);
+        } catch (Throwable t) { inputError(t); }
         return true;
     }
 
     public static boolean onKey(int key, int action) {
         if (!visible) return false;
-        if (key == 341 || key == 345) Input.ctrlDown = action != 0;
-        if (action == 1 || action == 2) { syncMouse(); Input.key(key); afterEvent(); }
+        if (!inited || failed) return true;
+        try {
+            if (key == 341 || key == 345) Input.ctrlDown = action != 0;
+            if (action == 1 || action == 2) { syncMouse(); Input.key(key); afterEvent(); }
+        } catch (Throwable t) { inputError(t); }
         return true;
     }
 
     public static boolean onChar(int cp) {
         if (!visible) return false;
-        Input.typed(cp);
-        afterEvent();
+        if (!inited || failed) return true;
+        try {
+            Input.typed(cp);
+            afterEvent();
+        } catch (Throwable t) { inputError(t); }
         return true;
     }
 
@@ -267,6 +282,13 @@ public final class Overlay {
         javax.imageio.ImageIO.write(img, "png", new java.io.File(shotPath));
     }
 
+    /** Self destruct: closes the menu and stops all further rendering and input handling. */
+    public static void shutdown() {
+        try { close(); } catch (Throwable ignored) { }
+        visible = false;
+        failed = true;
+    }
+
     public static void render() {
         if (!visible || failed) return;
         try {
@@ -314,9 +336,9 @@ public final class Overlay {
             if (shotPath != null) { shoot(fbW, fbH); shotPath = null; }
             afterEvent();
         } catch (Throwable t) {
-            failed = true;
             System.out.println("[prestige-ui] overlay failed: " + t);
             t.printStackTrace(System.out);
+            shutdown();   // failed = true and hide, otherwise the invisible menu keeps swallowing keyboard and mouse input
         }
     }
 }
diff --git a/src/main/java/dev/zprestige/prestige/world/BlockUtil.java b/src/main/java/dev/zprestige/prestige/world/BlockUtil.java
index 362baed..38d18d6 100644
--- a/src/main/java/dev/zprestige/prestige/world/BlockUtil.java
+++ b/src/main/java/dev/zprestige/prestige/world/BlockUtil.java
@@ -52,7 +52,7 @@ public class BlockUtil implements MinecraftAccess {
     }
 
     public static boolean isClickableHit(HitResult hitResult) {
-        return isClickableBlock(((BlockHitResult)hitResult).getBlockPos());
+        return hitResult instanceof BlockHitResult blockHit && isClickableBlock(blockHit.getBlockPos());
     }
 
     public static boolean isClickableBlockHit(BlockHitResult hitResult) {
@@ -112,6 +112,7 @@ public class BlockUtil implements MinecraftAccess {
     }
 
     public static int getAnchorCharges(BlockPos pos) {
-        return getState(pos).get(Properties.CHARGES);
+        BlockState state = getState(pos);
+        return state.contains(Properties.CHARGES) ? state.get(Properties.CHARGES) : 0;
     }
 }