I regressed and became the Sword Ice King - Chapter 23 - - I want him as mine

Strange occurrences arrive, the terrifying world merges with the Real World.Humans fall from the top of the food chain to the bottom.In a single night, humans become the blood food of these evil spirits.In times of desperation, those with tattoos gain power beyond imagination from their patterns.They are called Life Pattern Masters.Some have inscribed Buddha, using Buddha's Radiance to protect a city.Some have inscribed executioners, cutting down countless Evil Spirits.Lin Yuan, once struggled for three years in the world after the doomsday arrived, suddenly traverses back to before the apocalypse.In this lifetime, he is determined not to be an ordinary person.Thus, he inscribes the entire Underworld onto his life.Black and White Impermanence.Ox Head and Horse Face.Four Great Judges.Ten Yama Kings.Ksitigarbha, Ghost Catcher Zhong Kui.Emperor Fengdu.Lord of Mount Tai.........

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

Ian thought he was just a little wizard with a tiny bit of talent [cheat], and that hard work would make him stronger. However, as the story progresses, he gradually begins to discover that the teachers who have been teaching him magic are either once-famous strong individuals or characters mentioned in various legendary stories.“Standing before you is the noble apostle of the Misty Illusion Realm, the joint spokesperson of the Old Dead, and the designated successor by the founders of Hogwarts!”“What? That noseless freak wants to cause trouble? He must not have heard of my original magic spell that’s even recorded on the Chocolate Frog's famous collector's cards!”“Dumbledore Summoning Spell!”“Dumbledore Berserk Spell!”

Life Demon, Order Demon, Knowledge Demon, Fate Demon, War Demon…When various bizarre powers invaded, the world was clearly divided into two distinct sides.Some worship them as gods, walking upon the earth as their spokespeople.Others choose to drink a glass of strong liquor on scarlet nights, and raise the hunting rifle in their hands