diff --git a/Assets/Resources/Player1.prefab b/Assets/Resources/Player1.prefab
index 5f4bf7f..138063f 100644
--- a/Assets/Resources/Player1.prefab
+++ b/Assets/Resources/Player1.prefab
@@ -376,6 +376,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 1fdfc885f1a69704b893825cf9e616ba, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  bloodRegen: 1
+  regen: 1000
   onlyCallZeroHealthOnce: 1
   maxHealth: 100
   damageTickDelay: 0.25
diff --git a/Assets/Resources/Player2.prefab b/Assets/Resources/Player2.prefab
index 9c61484..4fe358c 100644
--- a/Assets/Resources/Player2.prefab
+++ b/Assets/Resources/Player2.prefab
@@ -292,6 +292,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 1fdfc885f1a69704b893825cf9e616ba, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  bloodRegen: 1
+  regen: 1000
   onlyCallZeroHealthOnce: 1
   maxHealth: 100
   damageTickDelay: 0.25
diff --git a/Assets/Scripts/Player/HealthComponent.cs b/Assets/Scripts/Player/HealthComponent.cs
index 0dee386..e110192 100644
--- a/Assets/Scripts/Player/HealthComponent.cs
+++ b/Assets/Scripts/Player/HealthComponent.cs
@@ -7,6 +7,9 @@ using System.Collections;
 
 public class HealthComponent : MonoBehaviour, ISquezeDamageReceiver
 {
+    public bool bloodRegen = false;
+    public float regen = 1000;
+
     [SerializeField] private bool onlyCallZeroHealthOnce = true;
     [SerializeField] float maxHealth = 100;
 
@@ -80,6 +83,14 @@ public class HealthComponent : MonoBehaviour, ISquezeDamageReceiver
 
     void Update()
     {
+        // blod regen
+        if (bloodRegen)
+        {
+            PlayerInput playerInput = GetComponent<PlayerInput>();
+            float bloodAccumalted = playerInput.PlayerNum == 1 ? BloodComputeShader.Instance.mop1Clean : BloodComputeShader.Instance.mop2Clean;
+            TakeDamage(-bloodAccumalted / regen);
+        }
+
         if (currentDamageTick < Time.time)
         {
             if (accumulatedDamageInTick < 1f) return;
@@ -103,7 +114,10 @@ public class HealthComponent : MonoBehaviour, ISquezeDamageReceiver
 
     public void TakeDamage(float damage)
     {
+        if (damage == 0f) return;
+
         currentHealth -= damage;
+        currentHealth = Mathf.Clamp(currentHealth, 0f, getMaxHealth());
         OnHealthChange?.Invoke(currentHealth + damage, currentHealth);
 
         accumulatedDamageInTick += damage;