Majora's Mask is an accursed item from legend that is said to have been used by an ancient tribe in its hexing rituals. The legend goes on to say that an evil and wicked power comes upon the one who wears the mask. The troubles caused by Majora's Mask were so great that the people of old hid the mask forever, preventing its misuse. The tribe eventually died out, and the true nature of the mask was no longer known. Spoilers end here