User blog comment:Menara/Bianca di Angelo may be one of the 7/@comment-3146930-20110912192946/@comment-3498371-20110912195304

Good idea. But maybe Gaea brainwashes Bianca before she brings her back. And then Bianca comes back willingly as she thinks Percy let her die or something like that. But then she regains her memory and fights Gaea etc.