diff --git a/Assets/Script/InGame/Actor/AimArrowController.cs b/Assets/Script/InGame/Actor/AimArrowController.cs
index da41415..7b7d53b 100644
--- a/Assets/Script/InGame/Actor/AimArrowController.cs
+++ b/Assets/Script/InGame/Actor/AimArrowController.cs
@@ -61,7 +61,8 @@ public class AimArrowController : MonoBehaviour
 
             ArrowLeftRight = (int)IngameMgr.Ins.Get_SkillValue(eSkillType.ArrowLeftRight),
             ArrowUpDown = (int)IngameMgr.Ins.Get_SkillValue(eSkillType.ArrowUpDown),
-            Bounce = (int)IngameMgr.Ins.Get_SkillValue(eSkillType.Bounce)
+            Bounce = (int)IngameMgr.Ins.Get_SkillValue(eSkillType.Bounce),
+            Pierce = (int)IngameMgr.Ins.Get_SkillValue(eSkillType.ProjectilePierce)
         };
 
         int lineCnt = 1 + basePd.PreviousArrow;
@@ -81,6 +82,7 @@ public class AimArrowController : MonoBehaviour
                     ArrowLeftRight = basePd.ArrowLeftRight,
                     ArrowUpDown = basePd.ArrowUpDown,
                     Bounce = basePd.Bounce,
+                    Pierce = basePd.Pierce,
 
                     IsPC = basePd.IsPC,
                     m_Data = basePd.m_Data,
diff --git a/Assets/Script/InGame/Projectile/Projectile.cs b/Assets/Script/InGame/Projectile/Projectile.cs
index 94dc47d..f9d2d72 100644
--- a/Assets/Script/InGame/Projectile/Projectile.cs
+++ b/Assets/Script/InGame/Projectile/Projectile.cs
@@ -9,7 +9,7 @@ public class Projectile : MonoBehaviour
 
     Vector2 dir;
     Vector2 prevPos;
-    ObscuredInt m_bounceCount, m_piereceCount;
+    ObscuredInt m_bounceCount;
 
     ProjectileData m_ProjectileData;
 
@@ -98,10 +98,9 @@ public class Projectile : MonoBehaviour
 
         Check_Hit(collision);
 
-        if (m_piereceCount > 0)
+        if (m_ProjectileData.Pierce > 0)
         {
-            --m_piereceCount;
-            m_piereceCount.RandomizeCryptoKey();
+            --m_ProjectileData.Pierce;
             return;
         }
 
@@ -226,7 +225,8 @@ public class Projectile : MonoBehaviour
 
             ArrowLeftRight = 0,
             ArrowUpDown = 0,
-            Bounce = m_ProjectileData.Bounce
+            Bounce = m_ProjectileData.Bounce,
+            Pierce = m_ProjectileData.Pierce,
         });
 
         p.transform.position = pos;
@@ -304,4 +304,5 @@ public class ProjectileData
     public int ArrowLeftRight;
     public int ArrowUpDown;
     public int Bounce;
+    public int Pierce;
 }
\ No newline at end of file