Lifetime of Bliss And Contentment With You - Chapter 972 - The limit of evolution

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.

When Yao Shen, Patriarch of the Heavenly Sky Sect, ascends and regains memories of his past life on Planet Earth, he realizes that he can no longer allow himself to accept the cruel and violent ways of Eliria, the realm of cultivation. So he decides to change it. It was time to found a new sect. One based on the values of honor and equality over senseless violence and discrimination. A sect where all, from the mortal farmer’s son to a sect elder's daughter, were held accountable to the same rules. Welcome to the Modern Sect.

If an ancient scholar searches through the mists of history, he or she will find such an existence:Pope of the night,Angel of the Creator,The hidden emperor of the empire,…He is also the perfect mentor;Wanmen’s guidance,The original source of pain...No one knows where he came from, only that he was born with knowledge and has been with him for years.Let us chant his honorable name together:Spirit of truth, pure man, master of dreams, supreme beyond all eternity

Liu Ergou grew up in the village and studied medical skills with his grandfather. After his grandfather died, the responsibility of treating the villagers falls on him. But an accident bestows upon him an inheritance from his great-grandfather, which sets him on the path to invincibility!