Becoming a Wizard by Starting From the Mind Closure Technique - Chapter 396 - 101: Sudden Change_2

After her life ended, Nan Fei Yu was bonded to a Villain System. In order to complete the system’s tasks as soon as possible and reshape her body, she became a villain that everyone hated. Everyone wanted her to die! However, if the villain was delicate and soft, did it bring an alluring hallo?

- Description from Novelupdates

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.

200 years after the world has ended, the laws of society have long been forgotten.

Liu Changgong time-traveled to a cultivation world. However, without any talent for cultivation, he was destined to be an average person. So, Liu Changgong simply cultivated for fun. When he was free, he would also do calligraphy, paint, play chess and the qin to pass time…