That’s a shame, in AC there was a code that allowed us to use skins before completion. So now you can change your skin and play Batman with a little more style! How to change costumes in Batman Arkham Origins? I haven’t tried that yet but I will get to it after the main game. For those of you wondering about your extra Harley Quinn Story DLC, you can find that in the Arkham Episodes tab. None of these skins have any buffs or debuffs, they are all just for looks. Can you change your Batman skin in Arkham Knight?