The manga presents a bleak world overrun by darkness and chaos. Aiden Blackwood, a feared and revered warrior, finds himself locked away in the lowest floor of the formidable prison called the Pit of Torment. Every floor of this forsaken place is teeming with ferocious demons, awaiting their next victim. Driven by revenge, Aiden resolves to ascend through the torment and unleash his fury upon all who stand in his way. As he climbs each floor, he encounters progressively more sinister and powerful demons, requiring him to tap into unknown depths of strength and skill to survive...