At night, Jiang Liu'er and the little beggar sat on the top of the mountain. Under the moonlight, Jiang Liu'er told the little beggar about his past, Yuande, demon sword king, and his experience of learning Go. He regarded the little beggar as the best. friend. The little beggar suggested that they swore to become brothers, Jiang Liu'er happily agreed, and the two sworn brothers under the moonlight. In the days that followed, they played chess together, toured the rivers and lakes together, and admired the bright future together. The little beggar gave Jiang Liu'er a precious chess manual "Zaowei Jingli", which was actually called " The masterwork of Fang Sheng, the number one master of Go at the beginning of the game, has greatly improved Jiang Liu'er's Go layout.