yeah i think thieves and warriors can kill everything pretty much easier than all of the other classes. I mean sins can throw stars from up to 50 feet away(exaggerated) And not even get hit. And Warriors have tons of hp and they can do very nice dmg. But yeah every class except clerics can own bosses lol. i know this because i am a priest and although i can sometimes do lots of dmg. i always get jealous of the dmg of my other non-cleric friends.:D