User blog comment:SayuriDarling/The House of Hades Official Discussion/@comment-24308873-20131017005639/@comment-3146930-20131017014035

You have to understand that the Gigantes need to be defeated by a god and demigod. Because of this, they don't need to be more powerful, they just need to outlast the god they face. Back during the first war, pretty much the only demigods were Heracles and Dionysus, and one of them was a lazy bum.