“Gron” was the demons’ one true nightmare, a hero whose brutality surpassed their own. When he finally fell, the forces of evil rejoiced, dancing on his grave, certain his reign of terror was over.But they were fools. Death was not the end, but the beginning of a far darker nightmare. For he had been reborn—not in a hero’s armor, but in the wretched body of a lowly demon.And this time, he hadn’t returned to save the world… but to utterly annihilate his own new kind. The Demon-Slaying Madman—reborn as a demon, 尸山血海