 Angered that Mega Man not only defeated the Robot Masters but he also he used his prototype Double Gear System, Wily beckons Mega Man to come to his Gear Fortress so he can deal with him on his own.Mega Man heads out to stop Wily.After traversing the fortress, (while defeating the Yellow devil MK 3, Mawverne and the resurrected robot masters) Mega Man confronts Wily in his new Wily Machine and the two battle.