User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-7594114-20130802142517/@comment-3146930-20130803125321

But if Annabeth and Percy were killed and the gods made them Immortal Demigod Trainers like Chiron, then they wouldn't really be dead. We're more talking about being dead forever, trapped in the Underworld for all time.