User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-68.140.72.32-20130322110136

Since everyone's talking about Percy and Annabeth being in Tarturus and how they're going to get out, maybe her not having powers has to do with it. "the daughter of Athena stands alone." The prophecy. Maybe her brain is what's gonna get her and Percy out of Tarturus. Unless that ticket was used in the quest of the mark