Night Ranger - Chapter 724: Earth Sovereign

Buried alive. Forgotten by the world. Cursed to refine death itself.Rin Xie clawed his way out of his own grave with nothing but broken nails, shattered bones, and a core pulsing with rot. In a world where the heavens punish the wicked with celestial fire, where death cultivators are hunted like beasts, Rin awakens with a forbidden path—one that feeds on pain, suffering, and the ashes of the dead.He cannot heal. He cannot forget. But every wound, every betrayal, every death he witnesses becomes fuel for his ascension.Under a crimson eclipse, he walks through battlefields where spirits still scream. In deserts of bone, he consumes lotus flowers blooming from despair. He learns techniques the heavens sealed away in fear—Soul Wither Pulse, Requiem Bloom, Grief Reclamation.But the deeper he dives into death, the less human he becomes.He no longer cries for the fallen.He no longer prays for peace.He begins to wonder—what kind of death should he become?In a world where power devours morality, Rin Xie will either become the end of all things...Or something worse.

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.

In the 312th year of the Great Yu Kingdom, the Demon Sect suddenly rose, the Eastern Bureau was annihilated, and the Lin faction collapsed. This year, the situation changed dramatically, the martial arts world was filled with intrigue, and the dynasty was on the brink of danger.The starting point of everything was due to the Demon Sect Saintess dying an untimely death.“This case is now closed, and you are no longer a suspect.”After another round of investigation, Chen Yi returned home and pushed open the door.The Demon Sect Saintess, who should have been dead, was curled up trembling on his bed...“Master...”She called out to Chen Yi.The enemy of the previous life, now a concubine in this life.…………………The Empress Dowager who controls the court, the pure and flawless Demon Sect Saintess, the ninth-ranking one-armed sword master of the world, the emotionless Taichua Goddess, the chivalrous and tender-hearted Spring and Autumn Sword Master...They are all my enemies, all once wished me dead.In the end, they all resigned themselves to subordination, swallowing their shame.

Before Li Daniu had time to be excited about being a prince who was about to ascend the throne, he learned that his country was about to be submerged by sea water.

“Can I wear it back?”

- Description from novelbuddy