How Could I Become a Savior When I Was Obviously Born into Disaster?

How many years does a person have to spend before he can reach the altar and change his destiny? Xu Shu was surrounded by disasters. In the first half of his life, he only suffered a great fall, and it was difficult to find a solution. He lived in a weak body for more than ten years. Fortunately, he practiced diligently and held the "Hua Chao" sword created by heaven, so he met the fate of immortality. The top of Baiyun Mountain is the Taoist temple where he grew up. After escaping in the mountain for more than ten years, he decided to go down the mountain. Even if he couldn't survive, he still wanted to see the world of mortals and see all kinds of things in the world. By the way, I'm looking for a way to extend my life. Traveling all over the country, getting involved in various trivial matters involving monsters, and occasionally practicing medicine to save people, he suddenly realized that he was already a fairy in the eyes of the people.