diff --git a/Assets/Scenes/Level01/Level 01.unity b/Assets/Scenes/Level01/Level 01.unity
index bf582973d4442d27a6a0bbbc4790977b8702a9a7..dc4269ad241c2bb0e68c57a66e72ab6587aa9985 100644
--- a/Assets/Scenes/Level01/Level 01.unity	
+++ b/Assets/Scenes/Level01/Level 01.unity	
@@ -379,7 +379,6 @@ MonoBehaviour:
   maxSpawnThreshold: 5
   maxMobs: 10
   mobs: {fileID: 1735848183}
-  Difficulty: 0
 --- !u!4 &53082948
 Transform:
   m_ObjectHideFlags: 0
@@ -778,7 +777,10 @@ PrefabInstance:
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []
-    m_AddedComponents: []
+    m_AddedComponents:
+    - targetCorrespondingSourceObject: {fileID: 100000, guid: ea3c2728ef33e3a4d99527a86cda6465, type: 3}
+      insertIndex: -1
+      addedObject: {fileID: 1735848195}
   m_SourcePrefab: {fileID: 100100000, guid: ea3c2728ef33e3a4d99527a86cda6465, type: 3}
 --- !u!1 &309555341
 GameObject:
@@ -3632,6 +3634,20 @@ GameObject:
   m_CorrespondingSourceObject: {fileID: 100000, guid: ea3c2728ef33e3a4d99527a86cda6465, type: 3}
   m_PrefabInstance: {fileID: 271723661}
   m_PrefabAsset: {fileID: 0}
+--- !u!114 &1735848195
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1735848183}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 755d1ab8f0094ef9bbea12900a89c442, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  distanceThreshold: 10
+  damagePerSecond: 1
 --- !u!1 &1761018070
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/EnemyR/KerocoBehavior.cs b/Assets/Scripts/EnemyR/KerocoBehavior.cs
new file mode 100644
index 0000000000000000000000000000000000000000..f8720c1f6d6e5654ee87a653ef9f1bc77d7bf1f2
--- /dev/null
+++ b/Assets/Scripts/EnemyR/KerocoBehavior.cs
@@ -0,0 +1,60 @@
+using System.Collections;
+using UnityEngine;
+public class KerocoBehavior: MonoBehaviour
+{
+    public float distanceThreshold = 10f;
+    public float damagePerSecond = 1f;
+    protected GameObject Player;
+    protected PlayerManager PlayerManager;
+
+    protected bool CoroutineStarted;
+    
+    protected virtual void Awake()
+    {
+        Player = GameObject.Find("PlayerOnly");
+        PlayerManager = GameObject.FindGameObjectWithTag("Player").GetComponent<PlayerManager>();
+    }
+    
+    void OnDestroy()
+    {
+        StopCoroutine(nameof(ApplyToPlayer));
+    }
+
+    void Update()
+    {
+        if (CoroutineStarted) return;
+        
+        if (WithinDistance())
+        {
+            StartCoroutine(nameof(ApplyToPlayer));
+            CoroutineStarted = true;
+        }
+    }
+
+    private bool WithinDistance() => Vector3.Distance(Player.transform.position, transform.position) < distanceThreshold;
+
+    protected IEnumerator ApplyToPlayer()
+    {
+        while (true) {
+            yield return new WaitForSeconds(1f);
+            ApplyEffectsToPlayer();
+
+            if (!WithinDistance())
+            {
+                DispelEffects();
+                CoroutineStarted = false;
+                break;
+            }
+        }
+    }
+
+    protected virtual void ApplyEffectsToPlayer()
+    {
+        PlayerManager.TakeDamage(damagePerSecond);
+    }
+
+    protected virtual void DispelEffects()
+    {
+        
+    }    
+}
diff --git a/Assets/Scripts/EnemyR/KerocoBehavior.cs.meta b/Assets/Scripts/EnemyR/KerocoBehavior.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..8f958e58d257ae8c03824c4a22d03f2d909a309d
--- /dev/null
+++ b/Assets/Scripts/EnemyR/KerocoBehavior.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 85a88340cf844d54a717fbd6fc9c10dc
+timeCreated: 1715302858
\ No newline at end of file