User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-5247339-20130619214315/@comment-5247339-20130619222029

Thats a good point and O figured another way it could take so long is that Reyna may have not told them the adress of camphalf blood just the general area and that is true about Percy and Annabeth but what about the sypnosis for HOH it says that they close the doors of death and Gaia will not rise.