She looked like his first lover (crush ) named shi mei who died during break of the ghost realm barrier and he thought that chu wanning could have helped him but he didn't and it was the reason he decided to hate his shizun (chu wanning for rest of his life ) , and then he boilden his wife for another reason which is explained in the book 3 and 5 .
He will reborn in episode one which is a forbidden technique and when he wake up he is 15 years old not 32 years old emperor and he remember his past clearly and he hates chu wanning so much at the begining .
1-At the begining of the series (first chapter of the novel ) he locked his shizun (chu wanning ) with his blood droping from his heart slowly to make him suffer which will become his lover in the next life 2- moran killed about thousands of people and performed three forbidden techinques.
3-destroyed about 70 sects
4-moran killed his wife by boiling it in a water .
7 
2 
-we all know how much hua yong loves sheng shao you , this is love and obsession which can coexist together so stop saying that this is not love .
https://x.com/gagaoolala/status/1958121838875468152
2- moran killed about thousands of people and performed three forbidden techinques.
3-destroyed about 70 sects
4-moran killed his wife by boiling it in a water .
and much more