User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-88.109.74.126-20121021183540

if there are supposed to be 7 demigods, percy and annabeth are in tartarus (noo) and jason et al are on Argo II but they're with Nico, that makes 8 demigods so something will happen to someone when they're closing the doors