The protagonist Lin Yuan is chased by powerful monsters in the desolate and strange secret realm of the Black Abyss, and is trapped in a desperate situation. At the critical moment of life and death, the sleeping "immortality system" in his body was activated, giving him the "life and death point" ability to reverse the situation. With the initial power given by the system, Lin Yuan fought back and almost killed the monster. However, the system also told him that using power would cost him three days of weakness...
