The Medical Saint is a character from Yun Che's second life on the Azure Cloud Continent. He picked up an abandoned baby who he later name Yun Che. He raised and taught Yun Che how to be a nice and humble person. He also passed down his knowledge of medicine to him and upon his death the Sky Poison Pearl.
Yun Che's master during his life on the Azure Cloud Continent. When Yun Che was a baby he found him, abandoned and took him in and taught him everything he knows about medicine. He saved countless people seeking neither benefit nor fame. He was the original owner of the Sky Poison Pearl, but he never used it’s poison he only used alchemy to extract, melt and in the end produce holy medicines to save millions of lives.
Eventually he was forced to his death over the Sky Poison Pearl but before his death he gave it to Yun Che and asked him not to seek revenge on the ones who killed him.