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-50.80.96.33-20130110091133/@comment-1786741-20130110132711

How do you know an EMP would effect Forerunner tech? Their technology is far more advanced than humanity or even the Reapers can comprehend. Pre-flood, they were a force to be reckoned with, with a massive fleet of ships larger, faster, and stronger than any Reaper.