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-5436239-20130130074424/@comment-5436239-20130207070703

Sorry this is late, because the UNSC have superior tactics, considerable firepower, and no fleet in the galaxy is making it through a minefield of HAVOC nukes, all deployed outside of a Mass Effect relay.

I also forgot about the IoM, who would be above the UNSC, and close to the Angels, who are a little above the UNSC. Most people look at the UNSC and base their assumptions from the games, and seem to forget how advanced they actually are. Games do not equal the actual power of weapons, games are aesthetic, and when it comes to canon, visuals and gameplay do not matter unless they are the only source.

The Reapers really aren't that advanced compared to any of them, and the UNSC could handle them with relative ease.