Mysterious Heroine X

Mysterious Heroine X is a unique character in Fate/Grand Order (FGO). She claims to be from the "Servant Universe," a sci-fi parallel world, and calls herself the "definitive edition of Saber," while actually being an Assassin-class Servant. Her goal is to eliminate all Saber-class Servants, whom she sees as a "cancer" to the universe. She wields the mysterious magic sword "Secret Calibur" and, despite her rebellious appearance, harbors a hidden past and secrets. In the game, she is loved by players for her unique personality, fighting style, and the complex relationships she has with Saber-class Servants. Her true identity is Artoria Pendragon, but she prefers to keep this a secret. In various FGO events, she captivates players with her unique charm.