Pet Beasts of the World: Hundred-Fold Multiplier System - Chapter 183 - Agreement

“Epoch” is a world where steam, magic, machinery, alchemy, and extraordinary power coexist.

When Luke, who had traveled over, covered his head and was pointed at his head by an imperial agent with a gun, he decided to tell a lie.

So he became the detective of the Secret Affairs Bureau of the Cape District of the Golden Shield Empire.

Luke, who is familiar with the plot, just wants to save his life in this chaotic world, and get some money and materials to use secret words to enhance his strength.

He robbed, kidnapped, blackmailed, and committed crimes with a plot strategy, but he never thought that he robbed an imperial gold ship, and how did he solve the largest smuggling case in the history of the empire?

As a “fake” detective, holding a promotion order, Luke felt very embarrassed…

- Description from novelbuddy

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates

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.

Rainer, an amateur arcanist and college student, sought to create a new spell far surpassing the magic of the few he inherited from his grandfather. Yet the interference of an unknown event during the casting of his spell led him to be thrown through space and time.