User blog comment:Darkcloud1111/Hephaestus the Hypocrite/@comment-4134412-20110715010700

all of the gods have demigod childern except for the big three because they made a pact they wouldn't but they broke it anyway. hephaestus was still cheated on so he got mad. plus ares is the war god and in the books, when percy met ares, he started to get mad for no aparent reason.