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-50.80.96.33-20130124002020

chances of the forerunners and the imperium wiping each other out (and which ever era of forerunners were talking about really detirmines how long they last) are about 99.9999%.