diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/Bomb.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/Bomb.java
index df176fde4..c0dfccc76 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/Bomb.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/Bomb.java
@@ -352,20 +352,20 @@ public class Bomb extends Item {
 		
 		private static final HashMap<Class<?extends Bomb>, Integer> bombCosts = new HashMap<>();
 		static {
-			bombCosts.put(FrostBomb.class,      2);
-			bombCosts.put(WoollyBomb.class,     2);
+			bombCosts.put(FrostBomb.class,      0);
+			bombCosts.put(WoollyBomb.class,     0);
 			
-			bombCosts.put(Firebomb.class,       4);
-			bombCosts.put(Noisemaker.class,     4);
+			bombCosts.put(Firebomb.class,       1);
+			bombCosts.put(Noisemaker.class,     1);
 			
-			bombCosts.put(Flashbang.class,      6);
-			bombCosts.put(ShockBomb.class,      6);
+			bombCosts.put(Flashbang.class,      2);
+			bombCosts.put(ShockBomb.class,      2);
 
-			bombCosts.put(RegrowthBomb.class,   8);
-			bombCosts.put(HolyBomb.class,       8);
+			bombCosts.put(RegrowthBomb.class,   3);
+			bombCosts.put(HolyBomb.class,       3);
 			
-			bombCosts.put(ArcaneBomb.class,     10);
-			bombCosts.put(ShrapnelBomb.class,   10);
+			bombCosts.put(ArcaneBomb.class,     6);
+			bombCosts.put(ShrapnelBomb.class,   6);
 		}
 		
 		@Override
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/HolyBomb.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/HolyBomb.java
index e7e51a369..3cd38232e 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/HolyBomb.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/HolyBomb.java
@@ -67,8 +67,8 @@ public class HolyBomb extends Bomb {
 			if (ch.properties().contains(Char.Property.UNDEAD) || ch.properties().contains(Char.Property.DEMONIC)){
 				ch.sprite.emitter().start( ShadowParticle.UP, 0.05f, 10 );
 				
-				//bomb deals an additional 67% damage to unholy enemies in a 5x5 range
-				int damage = Math.round(Random.NormalIntRange( Dungeon.depth+5, 10 + Dungeon.depth * 2 ) * 0.67f);
+				//bomb deals an additional 50% damage to unholy enemies in a 5x5 range
+				int damage = Math.round(Random.NormalIntRange( Dungeon.depth+5, 10 + Dungeon.depth * 2 ) * 0.5f);
 				ch.damage(damage, this);
 			}
 		}