To make this cheat active once u figt the skull kid and have all the masks beat all the other kids challenges and once u talk to the one wearing majoras mask he will reward u the firece deity mask!(ps:u have to give all of masks to the kids exccpt the zoron,duku,and goron mask.)before i forget use the firece deity mask when ur fighting majora!oh and u can only and i mean ONLY wear the mask when ur in boss rooms.