Overview: Lei Lingyun is willing to help Heimu defeat all Chinese chess players, on the condition that Heimu defeat all Chinese chess players, including the "chess master" Fang Sheng, and force them to make a contract that they will never play chess again after losing, because he wants to become the "Chess Master" in the Chinese Go world. Kuroki said that Lei Lingyun was mean, and asked Sasaki not to deal with him. Lei Lingyun sneered and said that he knew the strengths and weaknesses of all Chinese chess players. Without his help, it would be difficult for Kuroki to beat all chess players. Sasaki asked Kuroki not to Forgetting Zhanghe's parting words, Heimu finally agreed to cooperate with Lei Lingyun, and Lei Lingyun smiled triumphantly.