The Unparalleled Sword Emperor - Chapter 2540 - 2515: Rong Quan, the Tianjiao!

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.

After successfully reaching the Core Formation Stage and forming his Golden Core, Bai Langtian was betrayed by his own Master. His core was ripped from his body, and he was thrown off a mountain cliff into a valley full of demonic beasts.Thankfully, he survived the fall, and met his senior sister, Shangguan Yue Ling.She too had been betrayed by the same Master and pushed into this valley ten years ago. Ever since, she had been surviving alone by eating the corrupted flesh of demonic beasts.Now, Yue Ling revealed to Langtian a new path of cultivation:Demonic Cultivation.To reclaim his strength and take revenge, he must consume the flesh and essence of ten thousand demonic beasts.

“You redeemed [Inner Sect Teachings], Quanzong’s understanding +15%.”“You redeemed [Resource Optimization], a sect resource’s productivity greatly increased.”“You redeemed [Spiritual Root Enhancement], a sect member upgraded to Celestial Spirit Root.”“You redeemed [Doorway Affairs], discovered an exorcism task, please send disciples to expel the demon.”Traversing into the cultivation world for over two hundred years, Lu Ping never expected that only after his death would the true Golden Finger appear before his eyes.This is a growth story of a sect.A group of disciples with differing personalities, facing the sect’s struggles, together revitalizing the sect, and pursuing the story of everlasting strength.

Max died right after beating an impossible level in his favorite RPG, Eldoria's Entry 3.That should have been the end.Instead, he woke up inside the game.In a world where humans do not exist, Max reincarnated as one.With miserable stats and no way to grow like a normal adventurer, he was labeled completely useless from the start.His only saving grace was a unique Rank-SSS skill.Unfortunately, he didn’t really understand how it worked.Before he could figure out how to survive, Max opened his eyes inside a royal castle.It was an elven princess’s birthday.And he was her new pet.----------------------------------------------What To Expect:-NEW CHAPTERS ALL DAYS-A system that isn’t always well explained-Humor of all kinds.-No harem-No R18.-OP MC.-Slice of life moments to slow things down.-Adventure moments filled with danger and tough choices.