Tomb Raider King - Chapter 414: Epilogue 5

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.

“You died.”That was what the mysterious figure told him, but then he was given a second chance for the good deeds that he did in his previous life.“Super Prodigal System!”“Cultivate to immortality by wasting as much money as you can!”For the former number one prodigal of Earth, this was the perfect system!

Adrian Hudel has always been the invisible son in the Hu family, overshadowed by his elder brother Wryn, who was groomed to inherit the family business. Adrian’s only solace lies in his passion for painting, a dream he clings to amidst the cold indifference of his father, Wuner Hudel. But when Wryn abandons the family overnight, fleeing from an arranged marriage to the richest man in the country, Ethan Levistis, Adrian’s life takes a devastating turn.---The cover is mine.The cover is of MC-Adrian Hudel.Free to collect.BL Story.

Auren was the star of his generation. Graduated the combat school at the age of 12, mental fortitude was beyond his peers, and he was considered the talent of the Western State of Lysendral.It was for this reason that his awakening was greatly anticipated. Everyone was sure the star would receive a Divine Blessing from the Archon.And like others before him, be set on a definite journey to becoming the strongest Blessed in the history of the world.However, expectations were shattered when Auren awakened a Divine… Curse.“Such a phenomenon has never been heard of!”“How can a human awaken a curse! This is an abomination! Kill him! Sacrifice him to the archons!”In such a slight moment of appointment, Auren's entire life came crashing down.And he became a national criminal. Locked up and sentenced to death for having receiving a curse instead of a blessing.A 16 year old boy was ruthlessly killed by a guillotine and offered as a sacrifice to prevent doom… and the people relished in it.However, this was not the end for Auren.[Congratulations, you have died by execution],[Conditions have been met][You have challenged your first fester.][A requiem beckons onto you..][...Your resurrection awaits.]Having broken the shackles of death, Auren rises again to seek vengeance and destroy not just the nation that had killed him but tear down the very existence of the archons themselves.But is everything really as it seems?