Wuyi Collection of Ten Books on Cultivation

Wuyi is a mountain. According to the Qin Dynasty's "Biography of Immortals", Qian Keng was used to make elixirs here. Qian Keng entered the pheasant and became more beautiful than Yao, who granted him the title of Pengcheng. He was later called Peng Zu. He died at the age of 777. In his whole life, he lived in seclusion in Wuyi Mountain, drank from the waterfalls, and was able to ride on the wind and control the air, and soar into the air. Isn't that what he is called an immortal? Keng had two sons, one was named Qian Wu, the other was named Qian Yi, so it was named Wuyi Mountain.