MTL - The Life of a Villain Starting From Naruto - Chapter 124 so the answer is

In times of peril, the overlooked Ninth Prince, Qin Wudao, steps up to hold the collapsing empire together, commands the six armies, carries out the sealing ceremony, and establishes an era of abundant prosperity.“Ding, congratulations, the check-in system is now in place!”Once awakened, the world becomes aware, who does not recognize this sovereign?

In a world far more dangerous than the one he once read about, Nero Ravenclaw is reborn as the heir to Rowena Ravenclaw’s legendary bloodline. Armed with knowledge of the books and a mind sharpened by experience, he quickly realizes that this isn’t the same Harry Potter universe.It’s darker, deeper, and filled with wizards far more powerful than he ever imagined.Determined to carve his own path, Nero seeks to reach the apex of the magical world. As he unearths the secrets of the founders, navigates political intrigue, and clashes with forces both known and unknown, he must forge his strength to survive.With new ranks of wizards, powerful bloodline abilities, ancient magic, and a reimagined magical system, this is the untold story of a Ravenclaw who refuses to be bound by destiny.The wizarding world is far greater than anyone imagined.And Nero intends to claim his place within it.Disclaimer : I don't own Harry Potter or its characters (except the original characters I create).

“For those who dare call themselves gods, I, Wen Ran, will crush their legacy beneath my feet. Even dogs are more honorable than those filthy bastards!”A feared Godslayer, who, due to betrayal, perished under the might of the heavens, having his world destroyed. Saved by a mysterious system, Wen Ran was granted a second chance at life but reincarnated in the body of a lowly slave. Hunted by the gods who sought his head, Wen Ran vowed to reclaim his title by showing heaven his vengeance as a 'God Slayer.'

Magic, eastern fantasy, cultivation, scientific technology…