D.E.M.O.N.S: Getting Summoned Weekly isn't so Bad - Chapter 1495 - I C the Problem

In the last life, Tang Mo accidentally lost his space jade pendant when the apocalypse opened, and lost his biggest golden finger. Later, he practiced his abilities, lost his relatives, and was ostracized. He played a good hand of cards all his life. , and finally died in the mouth of the alien beast.

Opening his eyes again, Tang Mo was reborn and returned to the week before the end of the world, and all the tragedies have not happened yet! How will she seize the opportunity to walk out of her own path to become a doomsday powerhouse?

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- Description from novelbuddy

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.