MMORPG: Rise of the Primordial Godsmith - Chapter 760 Four Pillars: Extension

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.

Blue sky, white clouds, lazily lying on the beach, while feeling the gentle breeze coming from the sea. Hounds at the side with marine animals chasing each other around. Cups of unrivaled wine from his personal winery with cuts of prime A grade steaks readily around. For others, life is all about pursuing money, power, and fame, but for Jiang Hai, this type of lifestyle is what he constantly dreamed of.

- Description from Novelupdates

Returning to the Mysterious Era features a boy who can time-travel back to the past using old relics. The twist? He’s stuck in the body of the relic’s owner.After a near-death experience, Cassius unlocks his ability to travel to the past in the body of Li Wei, a member of the Wind Elephant Sect. Li Wei was a coward who lived a life of regrets up until the day the entire Wind Elephant Sect was mu*dered. As Cassius relives Li Wei’s past, he makes different decisions to show Li Wei a different kind of future.By living out the ups and downs of Li Wei’s life, Cassius is introduced to the world of Covert Martial Arts, ties that run closer than blood, and supernatural forces. Crossing the line between the ordinary and supernatural, he realizes there’s no way back. New friends and enemies slowly integrate into his reality.Now, he must uncover the secrets of Covert Martial Arts and get stronger to survive.

Jannah is a Countess in the Starlian Kingdom. She's known for her achievements in the battlefield, mercilessly ending her enemies and protecting her people.All for the peace and glory of the kingdom.“Run! They're swarming all over the place!”“Just leave! I already got bitten...!”“I can't leave without you!”However, all the blood sheds in the battlefield became useless when an outbreak befell the kingdom.Doom and betrayal hang in the air, following her like the plague.The apocalypse forced her to shed blood once again, under the guise of protecting her loved ones.Although, something happened that wasn't supposed to happen on her second run in life.[Initializing.....][System activated!][System scanning player's status...][Please enter your name:_____]“What is this thing in front of me? This thing didn't appear in my first life!”With chaos going around her, Jannah started her journey with a newfound thing called “system” to protect her people from the zombies.If you're not a fan of the list below then please click away.— Turtle progression.— Gore.— Same-sex relationships.— Questionable life choices (by MC).