Ruler is from the anime series, Fate/Grand Order. She is the Ruler-class servant in the Great Holy Grail War. Her true name is Jeanne d?Arc, the Saint of Orleans. A Catholic saint born in Domremy, France, and the heroine of France who liberated Orleans in the Hundred Years? War. In the series, Ruler possesses the body of a French girl named Laeticia whose physical build, spiritual build, personality and magical energy were compatible to her.