For not only can't we find any record of them now, even the people of the Medicine King Sect who came from the Ancient Xian Realm throughout time have no knowledge about them.
They know nothing about the Celestial Doctor.
This is rather abnormal, and it forces one to question their origins. Because such powerful beings, certainly wouldn't be nameless.
"If that's the case, then it can explain a lot of things."
"When I wanted to use the [Technique of Heavenly Annihilation] and the [Vast Sea Technique] to form my Golden Core, I felt a fatal crisis. If I simply used these two to form the core, I would have undoubtedly invited celestial backlash. Only by adding insights from the Blue Flame, Mo Sha, and other laws, could I stabilize the Golden Core. Because the techniques of Sky Killing and Vast Sea that I learned from were not native to the Xuanhuang World."
"If I forcefully use these two to form the core, I may be seen by heaven and earth as a pure outsider. As for the result..."
