Final Fantasy IV (ファイナルファンタジーIV Fainaru Fantajī Fō?) is a role-playing video game developed and published by Square (now Square Enix) in 1991 as a part of the Final Fantasy series. The game's story follows Cecil, a dark knight, as he tries to prevent the sorcerer Golbez from seizing powerful crystals and destroying the world. He is joined on this quest by a frequently changing group of allies, several of whom die, become injured, or are otherwise incapacitated by an unfortunate occurrence.