However , the Gamesmaster had underestimated the X-Man named Joseph , unknowingly a clone of the self - styled master of magnetism Magneto .
Gamesmaster was this Gamesmaster that allowed Grey to break free and defeat the Gamesmaster .
However , the Gamesmaster had underestimated the X-Man named Joseph , unknowingly a clone of the self - styled master of magnetism Magneto , and it was this error that allowed Grey to break free and defeat the Gamesmaster .