Regression Guidelines For the Supporting Character - Chapter 154

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 can now choose three of the following seven options
1. Go back to five years ago with the present memory
2. Five centimeters taller
3. Seven million deposits
4. Appearance +50 points
5. A company with a market capitalization of 500 million
6. Proficient in a foreign language
7. Teaser live broadcast 10 million virtual coins]

Li Ang became angry after finishing the selection: choose every day, choose, choose, you will give it after the selection!
…
Fuck, it’s really shipped!

- Description from novelbuddy

[Space + Farming + Escape from Famine] The apocalyptic boss Bai Wutong took Space World to ancient times, and before he was happy, he found himself in a troubled era of escape!

Murder and robbery, making money and killing people, the price of sitting on the ground can be found everywhere.

Come up, she will kill two people.

She was kind enough to save someone, but she was deceived, stalked, and insisted on following her.

If that’s the case, don’t blame her for being jealous.

After finally settling down, he was assigned to the frontier to open up wasteland.

The sky is high, the emperor is far away, the fast piston is immortal, and Bai Wutong can’t ask for it.

Several years passed.

Bai Wutong accidentally led the richest man of the previous dynasty, the prime minister, the commander of the dark guard camp, the contemporary great Confucianism, the female saint, the magical doctor… and turned the barren land into a rich and noble town that everyone is craving.

The emperor came here with his ministers admiringly, looked at it, and was dumbfounded.

Isn’t the man who poured tea and water beside Bai Wutong the eldest son who has been dead for several years?

- Description from novelbuddy

Octavius, misled by friends, embarks on a quest to clear his father's name, ultimately facing a tragic end with his sister.Their journey results in devastating loss, leaving him powerless and yearning for revenge against those who harmed his family. Spirits offer him a chance to reincarnate, but he refuses, saying;“What’s the point of a new life if I keep running from my problems”The entities are taken aback by his unwavering decision, having never encountered a spirit who refuses to escape their troubled past. They warn him about the evil being that now resides in his old body, but that only motivates him. He believed In the saying - to defeat a monster, you have to be twice as monstrous.Embracing his fate as The Phantom's Gambit, they traverse the shadowy path of retribution, their identities blur, secrets unravel, and the line between savior and monster fades.This is a tale of darkness and redemption, where justice is a blade, and revenge is the only way forward.