diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/PrismaticImage.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/PrismaticImage.java
index df32b83bc..8e88862a2 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/PrismaticImage.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/PrismaticImage.java
@@ -144,12 +144,20 @@ public class PrismaticImage extends NPC {
 	
 	@Override
 	public int damageRoll() {
-		return Random.NormalIntRange( 1 + hero.lvl/8, 4 + hero.lvl/2 );
+		if (hero != null) {
+			return Random.NormalIntRange( 1 + hero.lvl/8, 4 + hero.lvl/2 );
+		} else {
+			return Random.NormalIntRange( 1, 4 );
+		}
 	}
 	
 	@Override
 	public int attackSkill( Char target ) {
-		return hero.attackSkill(target);
+		if (hero != null) {
+			return hero.attackSkill(target);
+		} else {
+			return 0;
+		}
 	}
 	
 	@Override
@@ -177,7 +185,7 @@ public class PrismaticImage extends NPC {
 	@Override
 	public int defenseProc(Char enemy, int damage) {
 		damage = super.defenseProc(enemy, damage);
-		if (hero.belongings.armor != null){
+		if (hero != null && hero.belongings.armor != null){
 			return hero.belongings.armor.proc( enemy, this, damage );
 		} else {
 			return damage;
@@ -188,7 +196,7 @@ public class PrismaticImage extends NPC {
 	public void damage(int dmg, Object src) {
 		
 		//TODO improve this when I have proper damage source logic
-		if (hero.belongings.armor != null && hero.belongings.armor.hasGlyph(AntiMagic.class, this)
+		if (hero != null && hero.belongings.armor != null && hero.belongings.armor.hasGlyph(AntiMagic.class, this)
 				&& AntiMagic.RESISTS.contains(src.getClass())){
 			dmg -= AntiMagic.drRoll(hero.belongings.armor.buffedLvl());
 		}
@@ -198,7 +206,7 @@ public class PrismaticImage extends NPC {
 	
 	@Override
 	public float speed() {
-		if (hero.belongings.armor != null){
+		if (hero != null && hero.belongings.armor != null){
 			return hero.belongings.armor.speedFactor(this, super.speed());
 		}
 		return super.speed();