Shan Qing is a spirit, and his spiritual practice is life span. There are many types of spirits. There are good spirits that specialize in bringing benefits to living beings, there are evil spirits that exist to make other living beings unhappy, and there are also mountain spirits like Shan Qing who were born in the mountains and gain life span by trading. Of course there are water spirits and other spirits.
Hundreds of years ago, Shan Qing discovered that his lifespan had reached the upper limit, and it would not increase no matter how much he traded. He went to live in Qingcheng Mountain. In daily life, he waited for fate. If anyone saw him alive, he would make a deal.
Purpose: Look at the world from a non-emotional perspective