Rebirth As a Fatuous and Self-indulgent Ruler - Chapter 66: Boom! Something Is Exploded

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.

A group of dragons are watching “Game of Thrones” day and night

The ordinary yet not so ordinary detective, Wen Wen, woke up in a mental hospital and discovered that his right hand was connected to a mysterious space called the 'Catastrophe Containment Facility,' from which he could acquire the powers of the monsters imprisoned within!By capturing a vampire, he gained a formidable physique;By capturing a ghost, he could turn invisible and pass through walls;By capturing a fox spirit, he could charm the opposite sex...In short, in order to obtain more powerful abilities, Wen Wen began to diligently capture monsters, thereby stepping into the strange world of superpowers and seeing the hidden truths behind the curtain...

The hellhound is a legendary beast known for its fierce loyalty and formidable power, serving as a guardian of the underworld. During a cataclysmic cosmic conflict between gods and devils, the hellhound is tragically killed as collateral damage, his life extinguished in a battle far beyond his control.Millennia later, the hellhound is reincarnated as a human, awakening in a world that has forgotten his true nature. Retaining his past abilities, he must now attend a prestigious academy for those possessing supernatural powers, designed to train the next generation of guardians and warriors.As he navigates the complexities of human emotions and relationships, he must also confront the remnants of his past life. Whispers of the cosmic conflict still linger, and dark forces are at play, threatening to disrupt the fragile balance between realms. In a world where alliances are fragile and danger lurks around every corner, he must learn to embrace his identity as both a hellhound and a human.