Wei Shanjun was a man from Duling in the capital district of Jingzhao. He traveled all over the country in search of the Dao, visiting all the famous mountains. He met a deity who gave him a letter of summons from the Three Sovereigns, granting him the Daoist arts of transformation.
Wei Shanjun sometimes lived quietly in the wilds of the mountains, and sometimes he would get drunk and sleep on the road. He often carried a dog with him, which he called “Black Dragon.” No matter where Wei Shanjun went, he would always give some of his food to the dog. The dog had mange, and its fur had fallen out, making it very ugly. People who saw it were disgusted.
Wei Shanjun’s brother was a monk who had lived for many years in a temple on Mount Song. He had achieved great merit and become the abbot. When Wei Shanjun was about to ascend to immortality, he suddenly said to someone, “I have a debt that I have not repaid.” He then went to Mount Song to see his brother.
The other monks were very respectful of Wei Shanjun because he was the abbot’s brother. They had not seen him for many years, and they were surprised that he had returned. They took good care of him, and they served him with great respect.
Every time they went up to the hall to eat vegetarian food, Wei Shanjun would bring his dog and give it some of his food. The other monks were disgusted by Wei Shanjun, and they told the abbot.
The abbot was furious. He called Wei Shanjun to him and scolded him. He beat him with a bamboo stick ten times and then drove him out of the temple.
Wei Shanjun bowed and thanked the abbot. “I have repaid my debt,” he said. “I will not be coming back.” He then asked for permission to take a bath before leaving. The abbot agreed.
After a while, Wei Shanjun came out of the bath, leading his dog. The dog had grown to be six or seven feet tall. It walked up to the front of the hall and transformed into a dragon that was several dozen feet long.
Wei Shanjun mounted the dragon and ascended to immortality. As the dragon flew into the sky, it knocked down a corner of the hall. The mark is still there today.