diff --git a/Assets/Resources/Skills/Active/A01_jineonbu.asset b/Assets/Resources/Skills/Active/A01_jineonbu.asset
index 3b7cc78..4569531 100644
--- a/Assets/Resources/Skills/Active/A01_jineonbu.asset
+++ b/Assets/Resources/Skills/Active/A01_jineonbu.asset
@@ -41,5 +41,5 @@ MonoBehaviour:
   AuraRadius: 3
   CritDamageMultiplier: 2
   IFrameDuration: 0
-  DebuffStackLimit: 3
+  DebuffStackLimit: 0
   FireProbability: 1
diff --git a/Assets/Resources/Skills/Active/A02_paieobol.asset b/Assets/Resources/Skills/Active/A02_paieobol.asset
index 74ceb64..0306bbb 100644
--- a/Assets/Resources/Skills/Active/A02_paieobol.asset
+++ b/Assets/Resources/Skills/Active/A02_paieobol.asset
@@ -41,5 +41,5 @@ MonoBehaviour:
   AuraRadius: 3
   CritDamageMultiplier: 2
   IFrameDuration: 0
-  DebuffStackLimit: 3
+  DebuffStackLimit: 0
   FireProbability: 1
diff --git a/Assets/Resources/Skills/Active/A03_bonginmabeop.asset b/Assets/Resources/Skills/Active/A03_bonginmabeop.asset
index 5aea613..a99eda6 100644
--- a/Assets/Resources/Skills/Active/A03_bonginmabeop.asset
+++ b/Assets/Resources/Skills/Active/A03_bonginmabeop.asset
@@ -41,5 +41,5 @@ MonoBehaviour:
   AuraRadius: 3
   CritDamageMultiplier: 2
   IFrameDuration: 0
-  DebuffStackLimit: 3
+  DebuffStackLimit: 0
   FireProbability: 1
diff --git a/Assets/Resources/Skills/Active/A14_eolum_chang.asset b/Assets/Resources/Skills/Active/A14_eolum_chang.asset
index bfc8c1c..a08e2e7 100644
--- a/Assets/Resources/Skills/Active/A14_eolum_chang.asset
+++ b/Assets/Resources/Skills/Active/A14_eolum_chang.asset
@@ -41,5 +41,5 @@ MonoBehaviour:
   AuraRadius: 3
   CritDamageMultiplier: 2
   IFrameDuration: 0
-  DebuffStackLimit: 3
+  DebuffStackLimit: 0
   FireProbability: 1
diff --git a/Assets/Resources/Skills/Active/A15_chujeok_hwayeomgu.asset b/Assets/Resources/Skills/Active/A15_chujeok_hwayeomgu.asset
index 03409d0..2529e5d 100644
--- a/Assets/Resources/Skills/Active/A15_chujeok_hwayeomgu.asset
+++ b/Assets/Resources/Skills/Active/A15_chujeok_hwayeomgu.asset
@@ -41,5 +41,5 @@ MonoBehaviour:
   AuraRadius: 3
   CritDamageMultiplier: 2
   IFrameDuration: 0
-  DebuffStackLimit: 3
+  DebuffStackLimit: 0
   FireProbability: 1
diff --git a/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs b/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs
index 8c67219..898c517 100644
--- a/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs
+++ b/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs
@@ -81,6 +81,14 @@ namespace EerieVillage.Skills.Effectors
             col.isTrigger = true;
             col.radius = 0.2f;
 
+            // BT12-Dev 2026-05-09 — Trigger 판정 안정성 보강:
+            // Unity 2D OnTriggerEnter2D 발화는 양쪽 중 한쪽 Rigidbody2D 영역 의무.
+            // transform.position 이동 영역 Physics2D 동기화 안정성 확보 위해 Kinematic Rigidbody2D 부착.
+            var rb = go.AddComponent<Rigidbody2D>();
+            rb.bodyType = RigidbodyType2D.Kinematic;
+            rb.gravityScale = 0f;
+            rb.collisionDetectionMode = CollisionDetectionMode2D.Continuous;
+
             var sr = go.AddComponent<SpriteRenderer>();
             sr.sprite = GetOrCreateFallbackSprite();
             sr.color = GetColorByAttribute(data.AttributeTags);