I Alone Level-Up - Chapter 242

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.

After suddenly dying from work exhaustion in the modern world, a young man named Clayton wakes up in someone else’s body in a foreign world styled like medieval Europe. Without knowing how or why he ended up there, Clayton slowly realizes he now inhabits the body of a teenager who has just survived a deadly illness—and lost his beloved father.But his new awakening isn’t met with hope; instead, it brings pressure and intrigue. The people around him—from city officials to seemingly kind neighbors—all share one goal: to seize the valuable house his father left behind. One by one, their masks of kindness slip away, revealing the harsh reality of this new world.With a weak body, a nearly dead farm, and a loyal, skinny dog, Clayton must fight to survive. He not only has to delve into the memories of his body’s former owner but also navigate a world filled with manipulation, magical creatures, and social injustice.This world isn’t just an escape from work stress—it’s a battlefield for his soul and pride.

Two thousand years ago, the Emperor slayed a dragon in the wild, inaugurating the era of mankind.Since then, whenever malevolent dragons wreaked havoc, heroes have always emerged as destined, allowing time to flow across a long and peaceful human world.As the century turned, the sudden appearance of individuals with supernatural abilities triggered unprecedented disturbances. People constructed a sanctuary for these superhumans in the sky, on the back of a colossal dragon, called the Dome City.One spring day, Gongsun Ce, who had just started university six months ago, encountered a hunter who claimed to be a Wuchang master.“Hey, can you really do such a thing?!”“It's quite normal, because I am a superhuman.”—Thus, the love-comedy battle of supernatural abilities in a youthful campus begins!

The universe. This infinite field of stars is the dream of every Hunter.

For the Hunters who run amidst the stars, the only limit they truly have is the universe.

Is there a limit to the universe? And where would this limit lay?

When the Shadow Hunter; a young man named Cillin obtains a strange chip by accident, he begins his journey into this endless field of stars.