diff --git a/redstoneclient.java b/redstoneclient.java
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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 iloveredston0
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package de.iloveredston0.redstoneclient.client;
+
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.network.ClientPlayerEntity;
+import net.minecraft.client.option.KeyBinding;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.text.Text;
+import org.lwjgl.glfw.GLFW;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class RedstoneclientClient implements ClientModInitializer {
+    private static KeyBinding killAuraKey;
+    private boolean killAuraActive = false;
+
+    @Override
+    public void onInitializeClient() {
+        killAuraKey = KeyBindingHelper.registerKeyBinding(new KeyBinding(
+                "key.redstoneclient.killaura",
+                InputUtil.Type.KEYSYM,
+                GLFW.GLFW_KEY_V,
+                "category.redstoneclient.combat"
+        ));
+
+        ClientTickEvents.END_CLIENT_TICK.register(client -> {
+            if (killAuraKey.wasPressed()) {
+                killAuraActive = !killAuraActive;
+
+                ClientPlayerEntity player = client.player;
+                if (player != null) {
+                    player.sendMessage(Text.of("Killaura " + (killAuraActive ? "aktiviert" : "deaktiviert")), true);
+                }
+            }
+
+            if (killAuraActive) {
+                attackNearestEntity(client);
+            }
+        });
+    }
+
+    private void attackNearestEntity(MinecraftClient client) {
+        ClientPlayerEntity player = client.player;
+        if (player == null || client.world == null) return;
+
+        List<Entity> nearbyEntities = client.world.getEntitiesByClass(
+                Entity.class,
+                player.getBoundingBox().expand(6.0),
+                entity -> entity != player && !entity.isSpectator() && entity.isAlive()
+        );
+
+        if (!nearbyEntities.isEmpty()) {
+            nearbyEntities.sort(Comparator.comparingDouble(entity -> 
+                entity.squaredDistanceTo(player)));
+
+            Entity target = nearbyEntities.get(0);
+            client.interactionManager.attackEntity(player, target);
+            player.swingHand(player.getActiveHand());
+        }
+    }
+}