User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-1515612-20130221033240/@comment-16219425-20130225180946

Camp Outcast (since it's neither Greek or Roman). And yes, having a Greco-Roman demigod would make both sides equal.

O.o Wait, wouldn't Nico technically be a Greco-Roman demigod? Even though he hasn't trained as a roman, he's still allowed to enter Camp Jupiter whenever he wishes and even has a seat in their senate (I think, can't remember). Nico is just badass...