Primordial Sin System - Chapter 49 - No.2

Gold, wood, water, fire, earth, wind and thunder are the seven elements in the world.Everything in the world is made up of one or more of them.As long as the structure is set up, and then according to a certain proportion, in a specific position, add the right amount of elemental energy with different attributes, you can create everything in the world!And, I, Xiao Ye, am the master of the elements. …… ……Young Ling Chen awakens a mysterious physique, and from then on, he defeats the geniuses, kills the heroes, and dominates the world!Ling Chen: Sorry, I am the kind of genius you hate the most!

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.

There was a turtle here,He was a bandit! A robber! A shameless scoundrel!Don't mess with him!

“One Generation Immortal Venerable” Luo Chen was attacked and reborn and returned to Earth.

He is an ordinary person, facing the contempt of his girlfriend, the ridicule of his rivals, the miserable life of his parents, and the threats and provocations of the rich and young.

He vowed to change the injustice of fate, stand on the pinnacle of this world, and tell everyone that Luo Chen had been here.

- Description from MTL