diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Berserk.java b/src/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Berserk.java
new file mode 100644
index 000000000..e5a890f49
--- /dev/null
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Berserk.java
@@ -0,0 +1,145 @@
+package com.shatteredpixel.shatteredpixeldungeon.actors.buffs;
+
+import com.shatteredpixel.shatteredpixeldungeon.items.BrokenSigil.SigilShield;
+import com.shatteredpixel.shatteredpixeldungeon.ui.BuffIndicator;
+import com.watabou.utils.Bundle;
+
+/**
+ * Created by Evan on 20/03/2016.
+ */
+public class Berserk extends Buff {
+
+	private enum State{
+		NORMAL, BERSERK, EXHAUSTED, RECOVERING;
+	}
+	private State state = State.NORMAL;
+
+	private static final int EXHAUSTION_START = 40;
+	private int exhaustion;
+
+	private static final float LEVEL_RECOVER_START = 2f;
+	private float levelRecovery;
+
+	private static final String STATE = "state";
+	private static final String EXHAUSTION = "exhaustion";
+	private static final String LEVEL_RECOVERY = "levelrecovery";
+
+	@Override
+	public void storeInBundle(Bundle bundle) {
+		super.storeInBundle(bundle);
+		bundle.put(STATE, state);
+		if (state == State.EXHAUSTED) bundle.put(EXHAUSTION, exhaustion);
+		if (state == State.EXHAUSTED || state == State.RECOVERING) bundle.put(LEVEL_RECOVERY, levelRecovery);
+	}
+
+	@Override
+	public void restoreFromBundle(Bundle bundle) {
+		super.restoreFromBundle(bundle);
+		state = bundle.getEnum(STATE, State.class);
+		if (state == State.EXHAUSTED) exhaustion = bundle.getInt(EXHAUSTION);
+		if (state == State.EXHAUSTED || state == State.RECOVERING) levelRecovery = bundle.getFloat(LEVEL_RECOVERY);
+	}
+
+	@Override
+	public boolean act() {
+		if (berserking()){
+			if (target.HP <= 0) {
+				target.SHLD -= Math.min(target.SHLD, 2);
+				if (target.SHLD == 0) {
+					target.die(this);
+				}
+			} else {
+				state = State.EXHAUSTED;
+				exhaustion = EXHAUSTION_START;
+				levelRecovery = LEVEL_RECOVER_START;
+				BuffIndicator.refreshHero();
+				target.SHLD = 0;
+			}
+		} else if (state == State.EXHAUSTED){
+			exhaustion--;
+			if (exhaustion == 0){
+				state = State.RECOVERING;
+				BuffIndicator.refreshHero();
+			}
+		}
+		spend(TICK);
+		return true;
+	}
+
+	public int damageFactor(int dmg){
+		float percentMissing = 1f - target.HP/(float)target.HT;
+		float bonus = 1f + (percentMissing * percentMissing);
+
+		if (state == State.EXHAUSTED) bonus *= (50 - exhaustion) / 50f;
+
+		return Math.round(dmg * bonus);
+	}
+
+	public boolean berserking(){
+		if (target.HP == 0 && state == State.NORMAL){
+
+			SigilShield sigil = target.buff(SigilShield.class);
+			if (sigil != null){
+				state = State.BERSERK;
+				BuffIndicator.refreshHero();
+				target.SHLD = sigil.maxShield() * 5;
+			}
+
+		}
+
+		return state == State.BERSERK;
+	}
+
+	public void recover(float percent){
+		if (levelRecovery > 0){
+			levelRecovery -= percent;
+			if (levelRecovery <= 0) {
+				state = State.NORMAL;
+				BuffIndicator.refreshHero();
+				levelRecovery = 0;
+			}
+		}
+	}
+
+	@Override
+	public int icon() {
+		switch (state){
+			case NORMAL: default:
+				return BuffIndicator.NONE;
+			case BERSERK:
+				return BuffIndicator.FURY;
+			case EXHAUSTED:
+				return BuffIndicator.FURY;
+			case RECOVERING:
+				return BuffIndicator.FURY;
+		}
+	}
+
+	@Override
+	public String toString() {
+		switch (state){
+			case NORMAL: default:
+				return "";
+			case BERSERK:
+				return "BERSERK!";
+			case EXHAUSTED:
+				return "Exhausted";
+			case RECOVERING:
+				return "Recovering";
+		}
+	}
+
+	@Override
+	public String desc() {
+		switch (state){
+			case NORMAL: default:
+				return "";
+			case BERSERK:
+				return "Berserking, you're invincible!";
+			case EXHAUSTED:
+				return "Exhausted! Damage down!";
+			case RECOVERING:
+				return "Recovering from rage, can't do it again.";
+		}
+	}
+}
diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java b/src/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
index 172b604f0..b21b03d01 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
@@ -29,6 +29,7 @@ import com.shatteredpixel.shatteredpixeldungeon.Statistics;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Barkskin;
+import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Berserk;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Bless;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Combo;
@@ -321,6 +322,9 @@ public class Hero extends Char {
 			}
 		}
 		if (dmg < 0) dmg = 0;
+		if (subClass == HeroSubClass.BERSERKER){
+			dmg = Buff.affect(this, Berserk.class).damageFactor(dmg);
+		}
 		return buff( Fury.class ) != null ? (int)(dmg * 1.5f) : dmg;
 	}
 	
@@ -905,10 +909,6 @@ public class Hero extends Char {
 			dmg = (int)Math.ceil((float)dmg * Math.pow(0.9, tenacity*((float)(HT - HP)/HT)));
 
 		super.damage( dmg, src );
-		
-		if (subClass == HeroSubClass.BERSERKER && 0 < HP && HP <= HT * Fury.LEVEL) {
-			Buff.affect( this, Fury.class );
-		}
 	}
 	
 	private void checkVisibleMobs() {
@@ -1081,6 +1081,7 @@ public class Hero extends Char {
 
 		EtherealChains.chainsRecharge chains = buff(EtherealChains.chainsRecharge.class);
 		if (chains != null) chains.gainExp(percent);
+		if (subClass == HeroSubClass.BERSERKER) Buff.affect(this, Berserk.class).recover(percent);
 		
 		boolean levelUp = false;
 		while (this.exp >= maxExp()) {
@@ -1288,7 +1289,12 @@ public class Hero extends Char {
 		
 		Dungeon.deleteGame( Dungeon.hero.heroClass, true );
 	}
-	
+
+	@Override
+	public boolean isAlive() {
+		return super.isAlive() || (subClass == HeroSubClass.BERSERKER && Buff.affect(this, Berserk.class).berserking());
+	}
+
 	@Override
 	public void move( int step ) {
 		super.move( step );
diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/items/BrokenSigil.java b/src/com/shatteredpixel/shatteredpixeldungeon/items/BrokenSigil.java
index 2bdcd1d24..ca85c9aab 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/items/BrokenSigil.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/items/BrokenSigil.java
@@ -77,9 +77,8 @@ public class BrokenSigil extends Item {
 		public boolean act() {
 			if (armor == null) detach();
 			else if (armor.isEquipped((Hero)target)) {
-				int maxShield = 1 + armor.tier + armor.level();
-				if (target.SHLD < maxShield){
-					partialShield += 1/(30*Math.pow(0.9f, (maxShield - target.SHLD)));
+				if (target.SHLD < maxShield()){
+					partialShield += 1/(30*Math.pow(0.9f, (maxShield() - target.SHLD)));
 				}
 			}
 			while (partialShield >= 1){
@@ -93,5 +92,9 @@ public class BrokenSigil extends Item {
 		public void setArmor(Armor arm){
 			armor = arm;
 		}
+
+		public int maxShield() {
+			return 1 + armor.tier + armor.level();
+		}
 	}
 }