Quote Originally Posted by spiro View Post
Yeah i know that; but they're shinigami...and hollow so if arrancar have hierro im guessin they should have it as well.
Well maybe if they became more like a Hollow, then they might develop Hierro. I would guess the more Hollow power a Vizard tries to use, the more Hollow like they will become, resulting in more of a Hollow's abilities (Hierro, Cero, etc.). But I would also assume if they did that, a Vizard would run the risk of losing himself to his Hollow side to obtain those Hollow abilities in the process (Kind of like what happened to Ichigo against Ulquiorra).