Against the Gods - Chapter 1932 - Once There Was A Moon

On Blue Sea Star, there is an extraordinary group of people who control all kinds of incredible power through armed cards. They are called Star Card Masters.

Su Yuan came across, and he also carried a system that can strengthen his own star card.

Transformation Realm Enlightenment Soul Card Complete Awakening = Top Qualification Soul Card [Phoenix of the Blue Sky]

Consummation-level popular walking step: avoid certain long-range attacks!

Perfect level Cang Yan Strike: double Cang Yan Strike!

Consummation-level metamagnetic heavy pressure: heavy pressure field!

Consummation level air cut: break the boundary line!

Perfect rigid flame finger + perfect hardened iron coat = golden hand!

…

Su Yuan started from strengthening the initial soul-initiating card, step by step to the ultimate realm of Star Card Master!

- Description from novelbuddy

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.

(Rebirth + Business warfare + Pampering spouse + Dog food)Investing today? I've got more important things to handle.Financial crisis? Not my problem; anyhow, I won't be losing money.Huh? This stone of yours is pretty nice, wait for a call at home!Xiao Ming closed the door, turned around, and took out a fist-sized diamond: “Honey, let's grind this into a ball for the kids to play with!”

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy