Assets/Scripts/LevelConfig/WaveObserver.cs

@@ -264,9 +264,4 @@ public class WaveObserver : Singleton<WaveObserver>
             }
         }
     }
-
-    private void ChooseMonsterCore(List<EnemyType> currentGroup)
-    {
-        // Fetch the group's mosnter core bool attribute
-    }
 }

Assets/Scripts/Opponent/MonsterCoreDrop.cs

@@ -0,0 +1,13 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MonsterCoreDrop : Opponent
+{
+    private GameObject mosnterCorePrefab;
+    public override void Death()
+    {
+        Instantiate(mosnterCorePrefab, transform.position, Quaternion.identity);
+        base.Death();
+    }
+}

Assets/Scripts/Opponent/MonsterCoreDrop.cs.meta

@@ -0,0 +1,11 @@
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