Or I could have just gone to the next page!

This whole time travel to set up one’s own creation/summoning is so very Bad Wolf (my fellow Who fans about?). 

“In a reality he is known to have marked for predation” is an incredibly confusing clause. I’m not sure how to even make sense of it. But it does make me think of Bec and his head silhouette being carved on a pumpkin and on a wall in the exile’s world, which certainly contains people from a different time, at least.