Talk:Forerunner/@comment-25316824-20141014023656/@comment-4794494-20141014222059

Forerunner finds a way to freely travel between the THDF universe and his original universe, Halo, and brings back a load of Prometheans to help the Chat. Canonically speaking, it would fit because by 2557, the Prometheans had been discovered and reawakened.