MTL - Boss Mo’s Predestined Love Brought by Surrogacy - Chapter 762 I promise you

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

Collecting legendary antiques, retracing the mysterious martial arts. From the moment he activated his cheat, Casio knew that he was no longer ordinary.[Legendary Antiques: Wind Elephant Ivory Pendant]Seventy years ago, in the North Flow Country of the Hong Li Federation, at the Wind Elephant Gate Youth Training Camp.“Li Wei, you are a coward! On the day your sister was brutally murdered, you were trembling in a corner! On the night of the Sect Destruction War, you disgracefully fled! During the many long years of revenge, you missed the opportunity again and again!”“Now let me teach you what bravery is, let me tell you how to turn suffering into your power. I hope at the moment you behead your enemy, you will remember: you are a man, an upright man!”The taboo era, hidden legends. A Foggy continent paralyzed by the sealed land. Countless brilliant antiquities wail in the ruins.I will witness your lost legends in the mist, the knights in the sky, the ghosts in the desert, the rats in the mud. The direction of sword fights points to the light, and flowers will grow where bullets fall. The winds of history will eventually sweep away the rubbish from the era's gravesite.

‘I must entertain the masses.’ This was Jester’s lifelong goal.After leading 12 different lives as a Hero, King, Sage, Jester, and more, all he wanted was to mock the king and his court.Unfortunately for him, his majesty didn’t appreciate his vicious jokes.Jester died, trying to flee for his life. But death wasn’t the end for him.For his 13th and last life, he triggered the Archetype System and reincarnated in a world of magic and perils.[This is your last life. Don’t waste it!][Welcome to the world of Archetypes!]Oh, before I forget, soon, players from Earth would flood into his new world.But even players won't escape from his clutches! Even people from the Earth will be tamed!

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.