You are going to Watch Blue Exorcist Episode 13 English dubbed online free episodes with HQ / high quality. Stream Anime Blue Exorcist Episode 13 Online English dub Proof. Shura Kirigakure, a high level Exorcist and former apprentice of Father Shiro, was acting as one of Rin’s classmates and was tasked to investigate his connection with Satan. With orders to kill him if it were proven true, she is divided between fulfilling her obligations and following Shiro’s request to look after Rin in his place if something should happen to him. Her doubts are cleared when she confronts Rin and finds that Shiro was actually raising him as a son instead of a weapon.