Esper Harem in the Apocalypse - Chapter 289 Never-ending Curse

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.

Above the firmament, a giant Kun, stretching thousands of meters long, flew over the city, ignoring the barrage of missiles.In Australia, an apocalyptic serpent, thousands of meters long, destroyed cities and devoured millions, leaving slowly after the detonation of several nuclear bombs.In this perilous world, Chen Chu, who unexpectedly acquired the avatar of a six-horned salamander, felt somewhat bewildered.What could a palm-sized salamander do? Record videos to gain traffic? Catch shrimps in a creek? Or... evolve into a colossal beast?A six-horned salamander, also known as the six-horned dragon, with the ability of infinite evolution, was gradually evolving into a mythical apocalyptic beast.Its body length extended to hundreds, thousands, and even tens of thousands of meters...And with the characteristic of synchronized enhancement, Chen Chu's own body also grew stronger, with increasing power and speed, and even...

A prestigious senior mechanical engineer in the industry, Xu Yi was sent to a world dominated by magic.

In a world with an almost non-existent industrial system, how can Xu Yi display his value?

When magic collides with modern technology, when magic merges with machinery, that is the beginning of this story.

“Boss. Aren’t you too greedy? You are selling this husky mutt for 500,000?”

A cute girl in a ponytail held a husky puppy, whose eyes looked exceptionally wise, in her arms as she glared at Lin Ye. Her gaze was accusing him of being a dishonest trader.

Lin Ye explained, “Miss, I have to formally inform you: this is not a husky mutt.”

The girl retorted, “Don’t you dare trick me.”

“I’m serious. It has the bloodline of Cerberus. Its potential is limitless.”

The girl was stunned by Lin Ye’s words.

After pondering for a moment, she realized that what he said was absurd. Agitated, she yelled, “Are you sure? I don’t believe it!”

Lin Ye gestured at the husky in her arms as he said, “Little fella, get down and show your future owner what you can do. Go!”

“Woof!”

The girl shrieked in horror as she witnessed the little husky spit out a fireball the size of a fist.

……

Many years later, Lin Ye has crowned the Father of Beast-taming of the Blue Planet. When he was interviewed, he said forlornly, “It all started with a husky mutt.”

At the same time, in a mansion, a gigantic red dog with three heads sneezed. Then, it barked at the television before it.

“Woof!”