After vanquishing eight powerful robots under allegiance to King ( Cold Man , Astro Man , Ground Man , Magic Man , Tengu Man , Dynamo Man , Pirate Man , and Burner Man ) , the duo infiltrate his castle and engage him in combat . Proto Man interrupt the fight and again attempt to defeat their new nemesis . Putting all of his remaining energy into a blast , Proto Man manage to destroy King 's shield and lose consciousness , allowing Mega Man and Bass to best King in battle afterwards . King questions why they fight so hard for humans when robots are the superior species . The pair explain that humans are the ones who created robots in the first place , which confuse King . The villain reveal that his creator is Dr. Wily , who then appear on a video monitor . When King ask the evil inventor why robots fight each other for the sake of humans , Wily strengthen his " brainwashing level " and restore his power . Mega Man and Bass engage King in another battle and defeat him , but not before the latter teleports Proto Man out of his castle . The castle begin a self @-@ destruct sequence and the protagonists escape without King .