Fallen Fate Online - Chapter 60 Purple Flame

In the year 4 Before the New Calendar, just four years before the arrival of the Great Tomb of Nazarick, Lyle finds himself sitting by the roadside, gnawing on a piece of coarse black rye bread. His gaze is hollow, tinged with despair—he has been transported to the world of Overlord.The prospect of facing the devastating events to come chills him to the bone. In just a few years, the Great Tomb will unleash its might, razing nations and reshaping the world. Lyle foresees two grim paths ahead: perishing in the cataclysmic aftermath or surviving to live under the rule of the Sorcerer Kingdom.But as hopelessness threatens to consume him, a unique panel materializes before his eyes: Innate Ability: “Player”.Armed with the same advantage as the feared entities of Nazarick, Lyle resolves to carve his destiny. If they're all players in this grand game, why should he cower before them? The race against time begins as he seeks to grow stronger, navigate the treacherous world, and defy the fate that looms ever closer.

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion.

This is a story about a graduate student of ancient Chinese who was repeatedly trampled on the road to employment, and returned to the middle of the Ming Dynasty and entered the body of a young child in a mountain village. There are many disputes in the farmyard With a dull father, a fierce mother, and a group of extremely bad relatives. Fortunately, we have thousands of years of historical accumulation, the Four Books and Five Classics, and the Eight-part Essays, and the majors are also suitable. Who says that it is difficult for a poor family to produce a noble son? The national strength has risen, and the rule of law has been relaxed; the law and discipline are lax, and the official discipline is lazy; there are a few treacherous ministers, and there are also some Japanese pirates; but overall, it can be said that this is a fertile ground for the free growth of scholars and officials. A legend of the rise of a poor family also grew from here

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.