The tone is unrelentingly bleak. Unlike standard anime tropes where the hero saves the world, Amon accepts the inevitable end. The "Apocalypse" in the title is literal. It serves as a critique of the "might makes right" philosophy; once Akira transforms into Amon, the battle is no longer about saving anyone, but merely about satiating anger.
The OVA provides a distinct dichotomy between Akira and Amon. amon the apocalypse of devilman
The legendary Devilman, a hero created by merging the human body of Akira Fudo with the powerful demon Devilman, stands as the only force capable of opposing Amon's apocalyptic plans. Their epic battles are the stuff of legend, with Amon unleashing his unfathomable powers to crush Devilman and shatter the fragile balance between good and evil. The tone is unrelentingly bleak