Sir, How About A Marriage? - Chapter 826 - Distinguished Guest

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

God Level player Lin Yi was transported into a game.

There are many familiar sects ——– Shaolin, Wudang, Emei, QuanZhen, Mount Hua, Mount Song, Mount Heng, Mount Heng, Mount Tai, Peach Blossom Island, Sun Moon Polytheism, QingCheng….

There are many Legendary Martial Art ——– Nine Yang manual, Nine Yin manual, The Passage of Time, Six Meridian Divine Sword, Riding the waves with small steps, Taiji, Subduing Dragon 18 Palms, Yi Jin Jing, Tendon-Altering Sutra, BeiMing Manual, Eight wild Six fit i alone honour, DuGu Nine Sword, SunFlower Manual….

At a time when the court is weak, Martial World in disorder

In order to protect own cherished thing —

Lin Yi entered the stage

This is gradual growth of juvenile in disorderly Martial world, in the end become generations of giants, Martial arts don’t die, rise from the ashes!

- Description from Novelupdates

[Urban Martial Arts, Passionate Martial World.] He was a super expert who, due to accepting an inheritance, underwent a physical transformation that put his life at risk. To extend his life, the king returned...

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.