is the mysterious Ingredient that makes up Acacia's Full Course Menu Hors d'oeuvre. It is called the "ultimate revival Ingredient", and is said to be capable of resurrecting the dead. It is also said that, while Acacia sealed the other seven Ingredients in his Full Course, CENTER is the one that he intentionally hid. Currently, Chiyo of the Bishokukai is aiming for it in order to revive her long deceased son