User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-24339098-20130717191747/@comment-7003590-20130717211701

OR..... they could send a truce party to talk to the Romans.

Also, how would the seven know about the Greek and Roman battle? They could get it through dreams and Piper's knife vision or they could look at the camp half blood live screen in the kichen/battle planning room. Thoughts?