Jeanne d'Arc, or Ruler in Fate/Grand Order (FGO), is a crucial Servant of the Ruler class. Based on Joan of Arc, Jeanne fights for justice and protects innocents. Invoked as a mediator and impartial judge in the Holy Grail War, her Noble Phantasm "La Pucelle" causes massive damage at great personal cost. Known for her strong sense of justice, bravery and devotion to God, she becomes an inspiring leader to other Servants and Masters throughout the game.