He named a frail premature baby "Zheng" in the State of Zhao. He guided a young man surnamed Gai to comprehend the Hundred Steps Flying Sword technique. By the Wu River, he sent the Hegemon off on a small boat. He was the teacher of the First Qin Emperor and Emperor Wu of Han, inspiring their pursuit of immortality—a secret history that Sima Qian hesitated to write for his entire life. At the Xiaoshengxian Village, he discussed Zhuangzi with various scholars, leading to the creation of the "Northward Bound Divine Skill." During the reign of Emperor Wu of Han, he synthesized the strengths of various schools of thought, leaving behind the "Daoxin Zhongmo Dafa" for future generations of the Demon Sect's Six Paths. He once received a poem from Li Bai during the prosperous Tang Dynasty, adding a copy of the "Tai Xuan Jing" to the stone walls of the Xiake Island. He raised Qiao Feng to adulthood in the Northern Song Dynasty and witnessed the death of Guo Jing in the Southern Song Dynasty. He discussed Daoism with Zhang Sanfeng on Mount Wudang...