Sacrificial Artifact System: From Bell-ringer to the Ancestral Patriarch of the Sect - Chapter 267 - 194: Demon Lord (Request for Monthly Ticket)_2

In a quiet world, Adam lived his life peacefully but it all changed when he woke up in an hospital bed with the ability.....Creation Of All ThingsArmed with this Overpowered ability, watch how Adam would uncover the truth of his world and beyond..

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.

Karl transmigrated into a new world, and once he reached the age of 18, the day of the profession awakening ceremony came.In this world, your strength and profession determined everything about your life, with no second chances.And with nobody to support him, it was make or break for Karl.Yet, once his turn arrived, and he closed his eyes...He woke up in a strange and unfamiliar place.[Welcome to the Spirit Cemetery]A skeletal figure appeared before his eyes: it was death, revealing itself to him.“What the...”But before he could even understand the situation he was in, he heard a notification.Ding![You have awakened the EX-Rank profession “Spirit Summoner”][This is your Spirit Cemetery, find a way to fill it.]

God gave me one more chance and finally came back after four hundred years.

As soon as I realized I returned, I decided that ‘no one should have pride.’

My goal was to destroy the country. So, I grew up with a genius prince who lived in hiding before returning.
He took up the empire for me and I left him for him to achieve his goal.

‘I came to pick you up Charlize Ronan.’ Dylan, who became a perfect tyrant after a few years, found me after searching all over the continent.

‘Why did you flee and run away?’