The witch thought I am a Demon God - Chapter 3 The Origin of Magic_1

Here hundreds of countries compete for supremacy, here hundreds of schools of thought flourish, he brings the strongest family head system, establishes the most powerful family, and steps onto the highest stage step by step!

He went from an ordinary student to a god-level master in manufacturing.
Continuously progressing, processing range from hundreds of meters to tens of atoms, processing precision from microns to nanometers to atoms and molecules, everything was possible.
Wassenaar Accord? The embargo against China? What we have banned are technologies that China doesn’t care much about. Most of the member states have to import technology from China, shouldn’t the member states have a meeting to discuss and bring in China as well?
Forbidden chip sales? Is there a mistake? We barely managed to maintain our low-end market with a large amount of subsidies, it’s already good enough that China didn’t initiate an anti-dumping investigation. President, are you sick?
Hmm, it seems like living cells can be processed precisely as well. Do you need to refine the cancer cells that you are spreading out?

- Description from Novelupdates

The Heavenly Dao is fickle. A phrase that he had heard all through his life. Only after that incident did Adrian truly understand the meaning behind those words.From someone who had it all, wealth, power, prestige, to one without anything. Heck, even his fiancée abandoned him.One of the Twelve Great Houses on the Floating Cloud Continent, the House of Thorne was reduced to a pile of rubble and dead bodies after a mysterious attack by the Demonic Faction.All that remained was a blood-soaked pendant and a broken future.That is, until his blood awakens the pendant, unleashing a dazzling light. When he regains consciousness, his pursuers are gone, but so is the life he once knew.Now with only his younger brother and a loyal servant girl, Adrian sets out into the night.Armed with only the mysterious pendant and the inheritance it contains, he must walk the path of cultivation.Can he rebuild the House of Thorne from the ashes? Will he uncover the traitor who aided the demonic faction?He won't stop until even the heavens know his name and fear it.

On the brink of destruction, I regained consciousness and found myself back in the past, 20 years ago. In order to have a peaceful retirement, I must prevent the impending doom.