Ryuji saves Rin from the chuchi, displaying a strong friendship between them. The students return to camp, which is attacked by Amaimon and his behemoth familiar. Amaimon forces Rin to fight again, and Ryuji, Konekomaru and Renzo try to help but are defeated. Having no other way to protect his friends, Rin is forced to reveal his secret. He easily overpowers Amaimon but quickly loses control and goes on a rampage, cracking Kurikara in the process.