Amidst all the turmoil in True Cross Academy, an elderly man named Ernst appears, saying he is the grandfather of Yukio and Rin. Mephisto is dismissed from his post as director of True Cross Academy and the Grigori, are ousted as well, paving the way for Ernst to become Pope. As Ernst schemes to invoke the Gehenna Gate by sacrificing Rin, hordes of demons are spilling out of the gate. Yukio and Rin head towards the gate to protect their beloved friends and the world!
Blue Exorcist Vol. 6 (Bilingual Edition)
The final showdown with Satan begins!