When they first met, Li Goudan had just become the 'Moon Sea' of the Taiyin Sect and had an almost infinite life span. And Lunar Eclipse is just a young man who is covered in mud and can only do coolies because of his name.
Because it was so boring, a good or bad story just unfolded.
Li Goudan took Moon Eclipse as his servant and personally transformed him from a weak boy into an upright man.
Let's take a look at the rest of the story...