MTL - Game of Thrones: Holy Flame King - Chapter 161 return territory

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 year 2030 a world where magic reigns supreme, Ellard a being formally known as the “Mighty Overlord” who was humanity’s strongest.Had conquered many battlefields during his youth making his names known far and wide.However, during his last battle he was caught up in a plot made by the goddess of death who feared his existence due to his constant support to the goddess of vitality and was sent to his death for eternal sleep.However, the goddess of vitality was able to get to his soul while he was crossing the path between life and death, she granted him a second chance of life...Now one thousand years later he was reborn inside the body of a nine-year-old boy who had suffered a great misfortune after his father was assassinated and his mother had lost most of her noble influence, which resulted in their family suffering ridicule.

Lin Chen transmigrates to the Dragon Ball world and unexpectedly awakens the Strongest selection system.“Defeat Frieza and prevent the destruction of Planet Vegeta. Reward: Legendary Saiyan bloodline.”“Choice 2: Defeat Supreme Kai. Reward: Supreme Kai’s powers..……

Alexander was the greatest tyrant in history. His cruel, brutal and vicious reign struck fear in his enemies and allies alike. But that all ended when he was betrayed by his own people and beheaded by his archrival. As Alexander’s consciousness faded away all he could think of is all the faults he made, how he could have avoided them, how unlucky he had been, and his wrath and unwillingness to die at the hands of the man he hated most! But unexpectedly he was given not only the answers to these questions, but also a second chance to right all his many wrongs.