When we talk about the most visceral, unapologetic chapters of the Devilman mythos, one title stands above the rest in its sheer grimness: Amon: Apocalypse of the Devilman
The dead rise—not as souls, not as zombies, but as memories given teeth. Every person he ever failed claws up through the asphalt. They don't attack. They just look at him. That is worse.
The trumpet sounds. Not from heaven. From the pit.
This 1971 manga one-shot by Go Nagai is a pivotal piece of the Devilman franchise. While often confused with the 1987 OVA (which covers a different part of the story), this manga serves as the "Episode 0" or direct prequel to the original 1972 Devilman series.