@Nakanowatari
Yeah, his chuuni design is just simply lifted from AC...
But he's supposed to be a "Holy Knight", which goes completely against what Ezio was... I mean, the knights were usually Templars.
Still, the author could have maybe altered a bit more his costume, so that it wouldn't be such blatant plagiarism.
Well, at least he's not the usual Ninja Assassin, I guess.