There is a foreshadowing in "The Order of Mountains and Rivers". The pioneer of Guigu is the magician Rong Changqing, and the original intention of Guigu is just to give these desperate people a chance to change their ways. There is also another , Ye Baiyi said that he had sworn a solemn oath that if Guigu caused trouble to the world, he would personally take action to level it. At the end, Ye Baiyi also mentioned how he developed the Liuhe Mental Technique. These clues are enough to deduce the outline of the story. A hundred years ago, Ye Baiyi and Rong Changqing were close friends. In order to give some heinous villains a chance to reform, Rong Changqing opened up the Ghost Valley and made an agreement with the righteous path of the martial arts as long as the righteous path of the martial arts does not harm the world. To interfere with the existence of Guigu. But Rong Changqing died to save Ye Baiyi, and entrusted the matter to Ye Baiyi before his death. As long as Guigu was out of control, Ye Baiyi would deal with the aftermath for him. Therefore, as long as Guigu remains, he will have to work hard in the mountains. In a sense, he was basically forced to live forever. On the one hand, this time he went out to find out what happened to Rong Changqing's son, but the most fundamental purpose was to destroy Gui Gu and put an end to his oath. In the end, he left the Guigu matter to Wen Kexing to deal with the aftermath, which was considered to be a worry-free thing. Wen Kexing once said that those who are left behind suffer the most, and Ye Baiyi has experienced this kind of pain for nearly a hundred years, and he has had enough.