Lu Yan, a retired fighter who has been choked by fate, is plagued by injuries and his future is ruined. His only bright light is his terminally ill sister Lu Xiaoyu, who depends on each other for life. The exorbitant medical expenses overwhelmed his last hope, and he was forced to return to the fighting arena, signing a life-or-death status of "purgatory" fighting in an attempt to find a way out.
However, at the moment when he was brutally beaten, a strange and powerful damage storage was unexpectedly awakened in his body. He can turn the pain he endures into strength and give it back twice as much! This sudden power dragged him into an even bigger abyss.
After experiencing it again and again, he realized that there are many awakened people in the world with various powers and various monsters...
