Worldwide Beasttaming: I Can Design Evolution Lines - Chapter 319 - : Successful Lockup, Heading to the Southern Region’s Holy Heaven Peak

“Stop crying. I’ll marry you. Calm down.”Cold. Emotionless.That is Duke Morvex, the monster duke whose half-blood lineage comes from the terrifying wolf demons.And I, Valerie Austin, wake up in the same bed as him, the ruthless duke who should never have touched me.But the biggest problem isn’t that forbidden night…It’s the truth everyone in the empire already knows:Duke Morvex is engaged and soon to be married.

Travel to the primitive world, open up wasteland and farm land, tame animals and fish, build houses…

Jiang Xuan wants to create a tribe of his own!

- Description from novelbuddy

Edwin was once a world renowned scientist, attested for his understanding in genetic. Was. Involved in a scandal, he was disgraced and thrown to the dirt. And when he wanted to commit his final act of revenge upon the one who threw him there, he die, not by the assassin sent after him, but death through the illness that have been plaguing him since childhood.However, after death, he soon woke up in a brand new world, one filled with magic and monsters. However, he woke up as demon, enemy of humanity, and given a system that will help him empowered monsters through either magic or genetic modification.-x-“Hah, enemy of humanity, I like that. When have human ever been grateful to me! Now, I will plunge the world into an age of demon and monsters!”Filled with desire to watch the world fall into ruin, Edwin, now Alros Kadarni, will cause as much destruction as he can. From one kingdom to the next. From one continent to the other. All by using the different danger zones that is feared by all sentient beings that is not monsters not demon.

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.