My Nascent Soul Ran Away Again - Chapter 131 - : The Great Dream Sovereign, The Truth of Dream Ruins City!

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.

When Jiang Ming woke up, he possessed the power of immortality.

Facing the cruel and dangerous world of cultivating immortals, Jiang Ming realized his own path of cultivation.

That is, only practicing forbidden techniques!

Blood-burning knife technique, one year of life lost for each cut… Eat me ten times first!

A holy body for a hundred eons, three levels for one day…refined to one hundred thousand levels!

The Heavenly Reaper Technique, if you use it, you will be backlashed by the destiny… Let me first calculate the color of the saint’s clothes tomorrow.

To break the delusion, you need to look directly at the indescribable things…

Birth and death, being scoured by the secluded capital Huangquan every day…

Practicing and practicing… Jiang Ming discovered that his forbidden technique was already invincible in the world!

- Description from novelbuddy

Ding Ning was just an ordinary youngster from a small border town in southwest China, but he had learned tremendous medical skills from his masters since his childhood. After graduating from college, he stayed in Ninghai City and tried to seek a job in a hospital there, but things did not go well at first. However, he accidentally saved Shen Muqing who was from a rich and powerful family, and then got involved in the confrontation between Ninghai special police team and a mysterious organization called Vampire Mercenary Group in order to protect Ling Yun who was his landlord’s daughter. It became the turning point of his life. After that, he started an incredible adventure during which he would find out the real identities of his father and masters and discover the secrets behind the mysterious organization Vampire Mercenary Group and the special weapons and tactics team Dragon Soul…
The story tells about how he opened nine apertures, fought with rogues, chased after various pretty girls and established a rich and powerful family by himself. He climbed up to the peak of his life step by step, and finally became medical sovereign.

- Description from Novelupdates

Annan transmigrated to a new world – the Land of Dense Fog. He had become a rare elite NPC who possessed the player’s system.

However, he had the heart of a player.

I like to stir up matters, and unbridled. But, I’m a kind player. The ally of justice who is favored by this world.

I’m on a main mission. As the righteous player, I’m following my destiny to eradicate you, the evil NPC!

Dear player, I’d recommend you to stop running away. The mission is completed. I’m the righteous NPC now to punish you, the evil players…

—

In the long dark night, the crimson moon hangs high in the sky.

Hoarse whisper patrols the streets. The brass steam engine is emitting blood mist.

Your brain is in ecstasy; your eyes are enchanted.

With cracked skins, it sprouts new flesh.

In the gray mists, shirek cries come from the flesh wall that consumes thousands of corpses…

“Stop crying, our players don’t bite. They just want to play with you.”

The Solitary Schemer, Number 1 Player, Land of Dense Fog’s Savior, Leader of 13 Saints, Friend of 12 Upright Deity, Pioneer King, “The Righteous One,” Gatekeeper of Forth Disaster, Crownless Deity, the great Annan advised kindly.