Chinese Traditional Story: A Test To Become An Immortal

A man lived in Sichuan Province. No one knew his real name but some families knew he lived there for several generations. The locals speculated that he had lived for about eight hundred years so they called him Babai means Eight Hundred Li. He lived in a mountain cave most of the time, but sometimes he travelled to cities or towns.Babai Li heard that a man named Gongfang Tang who lived in Hanzhong was interested in practicing Taoism, but he could not find a master to teach him. Babai decided to go and teach him.