Adding the massive creature pack and the third wave definition

Assets/_Project/Scripts/Gameplay/EnemyHealth.cs

@@ -203,7 +203,8 @@ namespace TD.Gameplay
             foreach (var col in GetComponentsInChildren<Collider>())
                 col.enabled = false;
 
-            // Trigger the death animation on all peers (NetworkAnimator syncs it).
+            // Trigger the death animation. NetworkAnimator on the prefab syncs the
+            // Die trigger to all clients automatically — no ClientRpc needed.
             if (deathAnimator != null)
                 deathAnimator.SetTrigger(DieHash);