User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-4649443-20130417033058/@comment-122.167.41.196-20130417093231

Its more of a destiny than a power. So as long as Annabeth had the knife, then fate won't allow her to die or something similiar. Speaking of which, if Annabeth lost her dagger and is in Tartarus, will she die?