diff --git a/api/src/main/java/kr/toxicity/model/api/nms/HitBox.java b/api/src/main/java/kr/toxicity/model/api/nms/HitBox.java
index cc51b9fc..2eee37f5 100644
--- a/api/src/main/java/kr/toxicity/model/api/nms/HitBox.java
+++ b/api/src/main/java/kr/toxicity/model/api/nms/HitBox.java
@@ -195,6 +195,19 @@ default void listener(@NotNull Function<HitBoxListener.Builder, HitBoxListener.B
      */
     @NotNull RenderedBone positionSource();
 
+    /**
+     * Synchronizes the position of this hitbox with its source entity.
+     * <p>
+     * This method ensures that the hitbox position follows its model even when
+     * it is outside the server's simulation distance. It should be called
+     * periodically from the entity tracker's tick system.
+     * </p>
+     *
+     * @since 3.3.2
+     */
+    @ApiStatus.Internal
+    void syncPosition();
+
     /**
      * Returns the entity tracker registry for this hitbox's source entity.
      *
diff --git a/api/src/main/java/kr/toxicity/model/api/tracker/EntityTracker.java b/api/src/main/java/kr/toxicity/model/api/tracker/EntityTracker.java
index a2334725..40c49bac 100644
--- a/api/src/main/java/kr/toxicity/model/api/tracker/EntityTracker.java
+++ b/api/src/main/java/kr/toxicity/model/api/tracker/EntityTracker.java
@@ -30,10 +30,7 @@
 import org.jetbrains.annotations.Nullable;
 import org.joml.Quaternionf;
 
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-import java.util.UUID;
+import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
@@ -146,6 +143,16 @@ public EntityTracker(@NotNull EntityTrackerRegistry registry, @NotNull RenderPip
             if (isClosed()) return;
             createHitBox(null, CREATE_HITBOX_PREDICATE);
         });
+        tick((_, _) -> {
+            var hbs = new ArrayList<>(registry.hitBoxCache.values());
+            if (!hbs.isEmpty()) {
+                registry.entity().platform().task(() -> {
+                    for (var hb : hbs) {
+                        hb.syncPosition();
+                    }
+                });
+            }
+        });
         tick((_, _) -> updateLocation());
         tick((_, _) -> {
             if (damageTint.getAndDecrement() == 0) update(TrackerUpdateAction.previousTint());
diff --git a/api/src/main/java/kr/toxicity/model/api/tracker/EntityTrackerRegistry.java b/api/src/main/java/kr/toxicity/model/api/tracker/EntityTrackerRegistry.java
index f2b0ee53..3b2fa3f3 100644
--- a/api/src/main/java/kr/toxicity/model/api/tracker/EntityTrackerRegistry.java
+++ b/api/src/main/java/kr/toxicity/model/api/tracker/EntityTrackerRegistry.java
@@ -309,6 +309,7 @@ private void initialLoad() {
     }
 
     private void refreshPlayer() {
+        if (entity.dead()) return;
         entity.trackedBy()
             .map(p -> BetterModel.player(p.uuid()).orElse(null))
             .filter(Objects::nonNull)
diff --git a/nms/v1_21_R3/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R3/HitBoxImpl.kt b/nms/v1_21_R3/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R3/HitBoxImpl.kt
index a92e7e8e..235238d8 100644
--- a/nms/v1_21_R3/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R3/HitBoxImpl.kt
+++ b/nms/v1_21_R3/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R3/HitBoxImpl.kt
@@ -119,6 +119,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/nms/v1_21_R4/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R4/HitBoxImpl.kt b/nms/v1_21_R4/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R4/HitBoxImpl.kt
index ec779f14..6c7251de 100644
--- a/nms/v1_21_R4/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R4/HitBoxImpl.kt
+++ b/nms/v1_21_R4/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R4/HitBoxImpl.kt
@@ -121,6 +121,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/nms/v1_21_R5/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R5/HitBoxImpl.kt b/nms/v1_21_R5/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R5/HitBoxImpl.kt
index 18b23b4b..84dd2205 100644
--- a/nms/v1_21_R5/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R5/HitBoxImpl.kt
+++ b/nms/v1_21_R5/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R5/HitBoxImpl.kt
@@ -121,6 +121,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/nms/v1_21_R6/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R6/HitBoxImpl.kt b/nms/v1_21_R6/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R6/HitBoxImpl.kt
index 9895179d..12af603b 100644
--- a/nms/v1_21_R6/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R6/HitBoxImpl.kt
+++ b/nms/v1_21_R6/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R6/HitBoxImpl.kt
@@ -121,6 +121,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/nms/v1_21_R7/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R7/HitBoxImpl.kt b/nms/v1_21_R7/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R7/HitBoxImpl.kt
index a66217bc..fe66572d 100644
--- a/nms/v1_21_R7/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R7/HitBoxImpl.kt
+++ b/nms/v1_21_R7/src/main/kotlin/kr/toxicity/model/bukkit/nms/v1_21_R7/HitBoxImpl.kt
@@ -121,6 +121,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/nms/v26_R1/src/main/kotlin/kr/toxicity/model/bukkit/nms/v26_R1/HitBoxImpl.kt b/nms/v26_R1/src/main/kotlin/kr/toxicity/model/bukkit/nms/v26_R1/HitBoxImpl.kt
index d3c933e8..726c3bfb 100644
--- a/nms/v26_R1/src/main/kotlin/kr/toxicity/model/bukkit/nms/v26_R1/HitBoxImpl.kt
+++ b/nms/v26_R1/src/main/kotlin/kr/toxicity/model/bukkit/nms/v26_R1/HitBoxImpl.kt
@@ -121,6 +121,25 @@ internal class HitBoxImpl(
     override fun relativePosition(): Vector3f = delegate.position().run {
         bone.hitBoxPosition(posCache).add(x.toFloat(), y.toFloat(), z.toFloat())
     }
+
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+        interaction.setPos(
+            pos.x.toDouble(),
+            pos.y.toDouble() + minusHeight,
+            pos.z.toDouble()
+        )
+    }
+
     override fun listener(): HitBoxListener = listener
     override fun listener(listener: HitBoxListener) {
         this.listener = listener
diff --git a/platform/fabric/src/main/kotlin/kr/toxicity/model/impl/fabric/entity/HitBoxEntityImpl.kt b/platform/fabric/src/main/kotlin/kr/toxicity/model/impl/fabric/entity/HitBoxEntityImpl.kt
index 6a27cbc7..53e80e0e 100644
--- a/platform/fabric/src/main/kotlin/kr/toxicity/model/impl/fabric/entity/HitBoxEntityImpl.kt
+++ b/platform/fabric/src/main/kotlin/kr/toxicity/model/impl/fabric/entity/HitBoxEntityImpl.kt
@@ -128,6 +128,19 @@ class HitBoxEntityImpl(
         )
     }
 
+    override fun syncPosition() {
+        yRot = bone.rotation().y
+        yHeadRot = yRot
+        yBodyRot = yRot
+        val pos = relativePosition()
+        val minusHeight = source.minY * bone.hitBoxScale()
+        val targetX = pos.x.toDouble()
+        val targetY = pos.y.toDouble() + minusHeight
+        val targetZ = pos.z.toDouble()
+        setPos(targetX, targetY, targetZ)
+        interaction.setPos(targetX, targetY, targetZ)
+    }
+
     override fun listener(): HitBoxListener = listener
 
     override fun listener(listener: HitBoxListener) {