Circe is a character in the mobile game Fate/Grand Order, based on the legendary enchantress from Greek mythology. Summoned as a Caster-class Servant, Circe is known for her whimsical personality, love of cooking, and her ability to transform people into pigs. In the game's story, she assists the player as an ally, offering her magical prowess and knowledge. Despite her mischievous tendencies, Circe is caring and protective, often providing comic relief as well as valuable support in battles.