Edge of the Dark - Chapter 146 - 145: The Hopeless End

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.

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

- Description from Novelupdates

A proud and talented singer

Silent and introverted godly writer

… and so on

These people who should have lived happily because of their outstanding strength, but because of some small accidents, their life sank into hell and went towards their death.

Before they died, they had been unwilling. Their unwillingness attracted Su He. Watching these suffering souls, the innocent and harmless teenager come towards them, “are you unwilling? Then give me your life. ”

From then on, the infamous son of the aristocratic family became a godly doctor that everyone admired

The talented singer whose voice has been destroyed/damaged was popular again

The godly writer who was scolded as plagiarist ascended the throne again

……

Su He smiled. Cannon fodder can also become a winner in life, sweep away the darkness, stand up again, these former geniuses will one by one blossom their own radiance.

- Description from Novelupdates