User blog comment:TheUnknown285/A very interesting image from the remake of Halo (yes, this is ME-related)/@comment-4888821-20120403003857/@comment-3061137-20120403104641

I think that they mentioned the name of the race that comes before the reapers, I can't remember off the toop of my head but I'm reasonably sure that the reapers are aware of the ones who came before them.