Blacksmith: You Are Making Mjolnir For The Forging Exam? - Chapter 603 - The Power of Earth's Highest Technology

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.

Liu Ming, since he was young, lived in a savage prison named Savage Island where the prisoners aren’t controlled by any guard or security. When the island sinks due to “mysterious” events, only a handful of people survive – those survivors are then pursued by the government.

On the other hand at another place two practitioners are worrying about what will happen to them because the young master that they were supposed to protect had died.

Their young master looks nearly like our MC
What will happen?

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.

“Knowledge is Power, But What If The Wise Won't Use It?”

Ethan Riddles - A genius among geniuses who never tapped into his true potential because of his sheer laziness and not having any ambition at all.

Unfortunately, He was hit by the Good'Ol Truck-Kun while exploring a Mysterious, Newly-Found Temple and died as a result.

“I Can At Least Live a Carefree Life In This New World As a Noble.”

Will he still be able to live a carefree life in the Power-Driven World of Swords and Magic, Politics and Conspiracies, Gods and Beasts, Kingdoms and Empires?

Ethan who simply likes to sit below the trees and watch the drifting clouds as the cold breeze blows over his face—now must use his wisdom and intelligence to protect himself and his family from the enemies.

While Ethan believes he can still manage to live a carefree life, he soon catches the glimpse of some mysteries as well as The Wheels of Fate he is unfortunately entangled with.

Can he Defeat those who mean him harm with the newfound power and his own wit while living a carefree life? Or does Fate have other plans for him?