Mirror Buster

Mirror Buster is Enker's weapon. It creates an energy shield that actually reflects an enemy's shots back at the one who shot it (when Mega Man uses it). It also does not cost any weapon energy unless a shot is actually reflected of it. The downside is it only protects Mega Man from the front, leaving his other sides vulnerable to attack. It is the only weapon that can hit Wily's final form in Mega Man: Dr. Wily's Revenge