I Have Dreamed for Thousands of Years, and I Became a Taoist Immortal

I had a desolate dream, and when I opened my eyes again, I became a Taoist immortal master... (Medical skills + physiognomy + seeking immortality + single female protagonist + treasure hunting.) The orphan Shen Xiao was hit by a car while trying to save others, and was in a coma in the hospital for ninety days. While in coma, he had a long dream and obtained the inheritance of the Taoist genius from thousands of years ago, thus becoming a generation of Taoist leaders. After accepting the inheritance, Shen Xiao realized that there were more unknown secrets hidden behind the millennium secrets and the decline of countless sects...