Blue Exorcist Episode 18 English Dubbed Episode Title:Gale.Episode Description:The gufu has possessed Konekomaru to convince him to kill Rin. Knowing Konekomaru is possessed, Rin attacks him, going for the gufu, but this creates a misunderstanding with his friends. Shura locates a portal to an abandoned laboratory in a forest. Ryuji witnesses Konekomaru succumbing to the gufu. Rin slays the gufu and saves his life. Ashamed of causing so much trouble, Konekomaru decides to leave the academy, but Rin convinces him to stay, which helps him reconcile with the others.