The black fly uses snakes to enter the human body, replacing human bones with the trunk and body of the snake, so that it can absorb the snake's body and make some actions that humans have been unable to complete. Whether it's the Zhang family or the people of Jiumen, they have been looking for the secret of why the Zhang family can live forever, so they want to use this secret to end their tragic fate.
Extended data
Chen Wenjin first appeared in Memory of Three Provinces. His uncle once liked a heroine named Chen Wenjin, a quiet-looking girl, but her real identity was the northern school's golden touch. She has been with her uncle for five years. There is a special tacit understanding between two people. When robbing a tomb, Jinwen was responsible for finding dragons and caves, and the three provinces were responsible for positioning and exploration. These two men used to call themselves condor heroes.
Aunt Jinwen in Wu Xie's mouth is Chen Wenjin, and Wang Pangzi's men also call Jinwen Big Sister. Chen Wenjin's whereabouts are very strange. In the ghost town, he once gave Wu Xie a meaningful smile, but then he disappeared and never appeared again. Jin Wen's personality is gentle and kind. For her younger brothers, she is a rare good sister, but Chen Wenjin herself said that her fate will be the same as that of Huo Ling, and she will become a forbidden woman.