All this talk of insaneness makes me want to make evil knowing smiles and cackle. Besides, Marx isn't completely insane, he's just... wild. He doesn't really follow rules and generally will only follow the few that he made up himself. Besides, if your worried about any OPness, I can put out a list of weaknesses for both him and Rowan.

As for the fact that his element is fire, that's because fire goes so well with crazy people. (submits to desire and makes an evil grin) My fires will spread until the heat will make you wish for hell's pitiful embers.