diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/CrystalGuardian.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/CrystalGuardian.java
index 045bf330b..fa5d806bb 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/CrystalGuardian.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/CrystalGuardian.java
@@ -27,6 +27,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Cripple;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Doom;
+import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Hero;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Splash;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
@@ -135,6 +136,16 @@ public class CrystalGuardian extends Mob{
 		return super.isAlive();
 	}
 
+	@Override
+	public boolean isInvulnerable(Class effect) {
+		if (recovering){
+			//while recovering, immune to chars that aren't the hero or spire
+			// this is sort of a hack to prevent allies from attacking downed guardians
+			return super.isInvulnerable(effect) || (Char.class.isAssignableFrom(effect) && !Hero.class.isAssignableFrom(effect) && !CrystalSpire.class.isAssignableFrom(effect));
+		}
+		return super.isInvulnerable(effect);
+	}
+
 	public CrystalGuardian(){
 		super();
 		switch (Random.Int(3)){