S4·E5 Showdown! Gremory Family vs. Hero Faction in Kyoto
Aired May 8, 2018
Synopsis
The Hero Faction has arrived and Cao Cao wants to cross blades with Azazel and the Red Dragon Emperor. In such a dire situation, Issei must respond quickly so all his friends make it out of this alive. Will he ever find his "potential" and release it?