Apocalyptic Rebirth: With a repairman system space, she rises again. - Chapter 82: Level up.

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.

In the world of cultivation, countless tales follow righteous protagonists, fated heroes blessed by destiny, or those chosen by heaven to walk the path of immortality.But what of those who stand in their way?What of the villains? The so-called obstacles to the hero’s journey—do they not bleed, dream, and struggle as well?Xiao Ning was never meant to succeed.From the very beginning, the Grand Dao wove him as a stepping stone—a necessary sacrifice to elevate another. His path, like that of all designated ‘villains,’ was doomed to failure by design.But what happens when that design is defied?After death, Xiao Ning awakens—not in the cycle of reincarnation, but in the cold silence beyond it. There, he is offered the Eternal Paradox Codex—a forbidden artifact containing the hidden truths of the Grand Dao System itself.Rules. Loopholes. Vulnerabilities.Knowledge not meant for those like him.With this power, Xiao Ning is granted a single, impossible choice: accept oblivion, or step outside the Grand Dao entirely—to abandon fate, sever karma, and cultivate a path unbound by heaven or law.It is Xiao Ning’s journey, from ashes to something beyond comprehension.Not to become an Immortal among men.But something even the heavens dare not bind.If fate is a chain…Then let him forge his own path in the void beyond.Welcome to this humble tale.The cultivation world is vast and unkind.Let us begin again—on our terms.

Killed by a Sage Emperor and reborn as his 13 year old self, Nie Li was given a second chance at life. A second chance to change everything and save his loved ones and his beloved city. He shall once again battle with the Sage Emperor to avenge his death and those of his beloved . With the vast knowledge of hundred years of life he accumulated in his previous life, wielding the strongest demon spirits, he shall reach the pinnacle of Martial Arts.

A 20-years old boy transmigrated into the female-dominated novel world, But not as a protagonist nor as the main villain.

He transmigrated as the green tea boyfriend of the main female CEO heroine and will become the first target of the protagonist of this novel. Alex was scared for his life. In the novel, it's impossible to defeat the son of luck.

When he was helpless, the golden finger exclusive for travelers came.

[Ding! The Female Raider System is being loaded.]

Alex was excited thinking that he doesn't need to go close to a high cold female CEO but the system tells him different things.

[Ding! As long as the host raids the heroines and increases their affection, the Host will receive heaven-defying rewards.]

So his journey as green tea/White lotus raiding began.