Infinity: the Agent Chosen by the Underworld

Chang Qing, who was supposed to die, was unexpectedly resurrected. When he opened his eyes again, he was already in a mysterious place called the Blood Pool. Here, everyone is required by the blood pool to hunt all kinds of terrifying monsters. Either life or death. If you want to survive, you must do your best to improve yourself. ... As Chang Qing continues to complete the tasks assigned by the blood pool. He discovered that there seemed to be an ulterior secret hidden behind all this. An earth-shattering conspiracy gradually emerged. It seems that everyone is just a pawn on the chessboard. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.