diff --git a/Assets/Battle/BattleParticipant.cs b/Assets/Battle/BattleParticipant.cs
index 977b6b9..2255095 100644
--- a/Assets/Battle/BattleParticipant.cs
+++ b/Assets/Battle/BattleParticipant.cs
@@ -44,6 +44,10 @@ public class BattleParticipant
     }
 
     public int DealDamage(int damage) {
+        if (!IsAlive()) {
+            return 0;
+        }
+
         int blockedDamage = Math.Min(damage, this.block);
         if (blockedDamage > 0) {
             this.block -= blockedDamage;
@@ -56,6 +60,10 @@ public class BattleParticipant
     }
 
     public void CheckState() {
+        if (!IsAlive()) {
+            return;
+        }
+        
         if (this.hp <= 0) {
             this.dead = true;
             WipeStatus();
@@ -74,10 +82,18 @@ public class BattleParticipant
     }
 
     public void AddBlock(int block) {
+        if (!IsAlive()) {
+            return;
+        }
+        
         this.block += block;
     }
 
     public void ResetBlock() {
+        if (!IsAlive()) {
+            return;
+        }
+        
         this.block = 0;
     }
 
@@ -90,6 +106,10 @@ public class BattleParticipant
     }
 
     public void IncreaseMaxHP(int amount) {
+        if (!IsAlive()) {
+            return;
+        }
+        
         this.maxHP += amount;
         if (this.hp > 0) {
             this.hp += amount;
diff --git a/TODO.txt b/TODO.txt
index d09279a..0b576fb 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -5,5 +5,5 @@
 - Show on who enemies will use the cards
 - Extend BattleState to be more than hero turn true/false
 - Remove UI from dead participants
-- Dead participants do not get block
-- GolemCharge art
\ No newline at end of file
+- GolemCharge art
+- Create BattleInput
\ No newline at end of file