User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-69.127.161.128-20121113030755/@comment-2229042-20121114212909

Maybe. But isn't Tartarus different from just being "dead"? Percy and Annabeth don't need to be dead to be in Tartarus...they're alive; they just can't escape. So how would Thanatos help? >__>