The Monster Arena is a battle arena in Final Fantasy X, situated in the Calm Lands. The Monster Arena is used to store fiends caught during the game. This is done by defeating the monster while using weapons with the Capture special ability, which can only be purchased here. Lord Mi'ihen founded the Monster Arena 800 years prior to Final Fantasy X as a training facility for the Crusaders. The owner of the Monster Arena in Final Fantasy X is the unsent Trema, who has the unique ability to reconstitute pyreflies into fiends. In Final Fantasy X-2 the Monster Arena becomes Clasko's Chocobo Ranch.