Super Righteous Player - Chapter 1270 - 300: The Eternal Unchanging Is...

The story follows the protagonist, who wakes up one day to find himself in the body of Licht, a villain from a novel he was reading. Licht is a notorious villain who is known for his cruelty and ambition. However, the protagonist soon discovers that he has a natural talent for villainy. He quickly rises through the ranks of the evil organization and becomes a powerful force in the kingdom.

struggle for dominance, where power rules above all.But you are no chosen hero. As the third son of a Viscount, you hold no influence—just another noble without purpose. Your knowledge of technology and strategy? Worthless here.Then, everything changes.The cards from your favorite strategy game—the very ones you built and mastered—are now real. No longer digital symbols, but an army you can summon at will. In this ruthless world, where the weak are crushed and the strong dictate fate, this power is your key to survival.You refuse to be a victim. Armed with an army beyond imagination, you will carve your own destiny. Not just to survive—but to conquer.“Soldiers, attack!”..........Note: If you have any questions or comments, feel free to share them!

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.

Yang Dai, who was reborn in the third year of high school, was forced to enter the [Deep Domain] before he could be happy.

This is a world where gods and gods reappear and demons eat and kill mortals!

Myths are revived, animals and plants have been transformed into demons, foreign ghosts have invaded, and the status of human beings as the ruler of the earth is at stake. At this time, the mysterious [Deep Domain] came to the earth in the form of virtual games, bringing hope to mankind.

Yang Dai entered the deep domain to gain the ability to control the soul. Based on the concept of wretched development, he wanted to be a soul summoner, and he planned to form an army of souls first, and then explore the deep domain.

Unparalleled talent, the peerless genius of the dynasty!

The unparalleled demon king who is wreaking havoc on the world!

Covering the sky with one hand, the Patriarch of the Demon Dao who presses the right way!

When Yang Dai’s soul army appeared more and more terrifying names that shocked all beings in the two worlds, he also won the honorary title of Megatron.

Soul Master!

- Description from novelbuddy