Ao no Exorcist Odcinek 13: Dowód

Senior Exorcist First Class Shura Kirigakure stops the battle between Rin and Amaimon. She is an undercover Inspector from the Vatican Headquarters, posing as a cram school student to spy on the Knights of the True Cross. Dragged off to the underground base, Rin learns that Shura was once a disciple of Shiro's- and that Shura has targeted him for elimination- "the job that my mentor failed to do!"