diff --git a/Assets/Scripts/Skills/Effectors/Projectile.cs b/Assets/Scripts/Skills/Effectors/Projectile.cs
index 68133f6..92d4e2a 100644
--- a/Assets/Scripts/Skills/Effectors/Projectile.cs
+++ b/Assets/Scripts/Skills/Effectors/Projectile.cs
@@ -75,12 +75,17 @@ namespace EerieVillage.Skills.Effectors
                 return;
             }
 
-            // BT12-Dev 2026-05-10 (PD #2 fix·재발 정정) — Wall OverlapPoint·grace period 0.05s 영역 spawn 시점 즉시 SelfDestruct 회피.
-            // Player.position 영역 spawn 영역 — Player 영역 ground tile 영역 영역 영역 → 첫 frame OverlapPoint hit → 회귀.
+            // BT12-Dev 2026-05-10 (PD #2 fix·재발 정정 #2) — Wall OverlapPoint·useTriggers=false (CinemachineConfiner Trigger 영역 영역 영역).
+            // grace period 0.05s 영역 spawn 시점 즉시 SelfDestruct 회피.
             if (Time.time - _spawnTime > 0.05f)
             {
-                var wallHit = Physics2D.OverlapPoint(transform.position, WallLayerMask);
-                if (wallHit != null)
+                var filter = new ContactFilter2D();
+                filter.useTriggers = false;  // Trigger collider (CinemachineConfiner 영역) 영역 영역
+                filter.useLayerMask = true;
+                filter.layerMask = WallLayerMask;
+                var results = new Collider2D[1];
+                int hitCount = Physics2D.OverlapPoint(transform.position, filter, results);
+                if (hitCount > 0)
                 {
                     SelfDestruct();
                 }