User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-50.53.164.184-20130511172425/@comment-3974711-20130512133957

I think Mars and Centurion Shish Kebab were a coincidence. It was more contrived that he was there right after the game, but it could have been he was aiming to kill two birds with one stone by warning the Romans and claiming Frank at the same time.