Thirteen Prisons

The Blood Pool Hell, the thirteenth level of the legendary Hell. Six mysterious cases of spontaneous human combustion triggered a horrific past forty years ago. Forty years ago, a tragic conflict occurred in a factory deep in the mountains, but the scene was very strange: no wounds could be found on the bodies of all the dead people, but the ground and the room were all splattered with blood, and the whole scene was like the "Blood Pool Hell" in the thirteenth layer of hell. The scene should hav