2. Old sheepskin is actually a grave robber. When he entered the cave with Hu Bayi, he didn't want to be their guide. His real purpose is to use Hu Bayi and them to find his brother's body, because only in this way can he swallow bronze Long Fu, a secret weapon of geomantic omen, with witchcraft, and then "turn dragons into immortals".
3. Old sheepskin was a master of Qin Opera and Ma Touqin before his death. He was very talented in music art, but his superstition was very serious. Although he is usually taciturn, he is actually full of bitterness and secrets. His face is full of vicissitudes of life, and he is obsessed with one thing, that is, becoming immortal.
4. Old sheepskin's brother is Yang Erdan, and the two brothers have done inverted bucket business.