My bad. I was away so long I forgot there were two different Anime threads.
Anyway, I thought more about the balance issues with Demonic Commandeer versus Lime Bell's "ability unlearn" attack.
Both are special moves that deny an ability to the target, but Bell's attack doesn't steal that power for herself, and the effect doesn't last beyond death or the end of the duel.
Further, I understand right, it can only effect "bonus" abilities, rather than the target's starting abilities. Thus, an opponent can never be denied the most fundamental aspects of their avatar. Lime Bell could make Silver Crow a weaker flier, but not take away his wings.
Which leads me to think of a particular sort of attack ability:
http://forums.animesuki.com/showthre...61#post4672661