first location is playable

enemies and so on

Assets/Code/Gameplay/Enemies/VoidEnemy.cs

@@ -0,0 +1,19 @@
+using Code.Gameplay.Player;
+using UnityEngine;
+
+namespace Code.Gameplay.Enemies
+{
+    public class VoidEnemy : MonoBehaviour, IEnemy
+    {
+        public void TakeDamage() { }
+        
+        private void OnTriggerEnter2D(Collider2D other)
+        {
+            if (other.CompareTag("Player"))
+            {
+                var playerHealth = other.GetComponent<PlayerHealth>();
+                playerHealth?.TakeDamage(true);
+            }
+        }
+    }
+}