User blog comment:James12708/Reapers VS. Forerunners VS. Angels from Darksiders VS. Humanity from Halo VS. Council and humanity from Mass Effect VS. Imperium of Man/@comment-50.80.96.33-20130222215852/@comment-1786741-20130222220941

You do realize all those advantages are trumped by the Forerunners, right? The Reapers can destroy entire solar systems of THOSE IN THE MASS EFFECT UNIVERSE. The Forerunners are simply beyond their power to be destroyed.