In Episode 10 of Blue Exorcist: Kyoto Saga (Ao no Exorcist: Kyoto Fujouou-hen), titled the battle against the Impure King reaches a fever pitch as the sporangium finally bursts, revealing the demon's massive true form. The Fight for the Barrier
As the Impure King materializes, it releases a devastating gale of miasma that threatens to overwhelm everyone within the area. finds himself pushed to his absolute physical limit while struggling to maintain the protective fire barrier alone. He eventually chooses to put his full faith in Rin Okumura , telling Rin to save himself, but Rin refuses to abandon his friend. Rin's Breakthrough Ao no Exorcist: Kyoto Fujouou-hen (Dub) Episode 10
Yukio develops a plan to overheat Todo's body, essentially forcing it to absorb more power than it can contain until it explodes. In Episode 10 of Blue Exorcist: Kyoto Saga
Todo, empowered by the Karura fire demon, easily absorbs their fire attacks and regenerates from any damage. He eventually chooses to put his full faith
attempts to use her familiar, Nee, to save Izumo Kamiki , but she quickly realizes her strength is ebbing as the miasma impurity spreads rapidly.