Set in the fantasy world of Spira, the game's story centers around a group of adventurers and their quest to defeat a rampaging monster known as "Sin". The player character is Tidus, a blitzball star who finds himself in Spira after his home city of Zanarkand is destroyed by Sin. During the game, Tidus, along with several others, aids the summonerYuna on her pilgrimage to destroy Sin.
Power of this verse
As part of the Final Fantasy Multiverse, it's likely one of the more weaker verses considering the damage output of its Top Tier, Sin.