User blog comment:Koveras Alvane/The Beauty of Mass Effect 2 Ending/@comment-68.193.155.192-20130424033031/@comment-24174486-20130425002326

Except that how the battle scenes play out is based on your EMS. Low EMS, the Reapers curb-stomp the opposition. High EMS, the united forces are able to do some damage and hold their ground to some degree.