Assassin rebirth novels usually depicted a former professional assassin who was reborn in an accident and returned to the past. He used the experience and knowledge after rebirth to change his fate and life trajectory. This type of novel often involved time-travel, rebirth, memory transplantation, and other elements. The plot was full of ups and downs, and the characters were vivid and full of imagination and adventure elements. The common killer rebirth novels were " Lord Snow Eagle "," Covering the Sky "," Battle Through the Heavens ", and so on.