ARMAGEDDON! The final confrontation between the heroic Devilmen and rapacious demons looms large, as violence engulfs all the nations of Earth. Even Amon cannot resist the tide of chaos. Driven mad by infernal influence, his true nature is at last revealed! Further revelations await, as Miki and the devilmen learn the darkest truths behind the histories of man and demon. Could there truly be any hope for peace? The Devilman Grimoire saga reaches its apocalyptic conclusion!