Versatile: Alternate World - Chapter 666 The Devil Within

Traveling to another Blue Star, Lin Chen awakened the “Catch the tricky reselling system”. You can catch the weird, sell it to the black mine for mining, and exchange for the weird coins.

It’s a pity that there are too few strange things in this peaceful world. In this case, Lin Chen used the method of looking for a needle in a haystack to catch the strange things for more than ten years, but still very little.

Until one day, Lin Chen received a letter from a thriller game…

This time, the purchase life began.

In the ghost restaurant, the foreman, with tears in his eyes, looked at his miserable restaurant.

In the weird school, the students shivered, and the principal lit a cigarette for them. There is also a dungeon deserted village that makes all human players feel terrifying, and eventually became a real deserted village.

I don’t know when, in the world of horror, a peddler named “Uncle Chen” began to spread…

- Description from novelbuddy

With a marriage contract forcefully done, he married her, and all she could do was comply, and resent him deeply for that and for all the following misunderstandings they faced.
However, it was already too late when she understood she actually loved him.

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.

Betrayed. Starved. Left to die alone in a world that chewed up the weak and spat them out.Gu Qingran trusted the wrong people, loved the wrong man, and paid the ultimate price.But fate? Fate gave her a second chance.Reborn 30 days before the apocalypse, she refuses to be the naive fool she once was. This time, there are no attachments, no kindness—only power.With the Omni-Alchemist System, she can create weapons deadlier than an arsenal, fortresses stronger than steel, and medicines that could cure or kill with a single drop.While the world slept, she stockpiled.While they wasted time..she built an empire. When the world burned, she rose from the ashes—untouchable, unstoppable and unchallenged.Let the apocalypse come. Let them beg for mercy.Because in this life, Gu Qingran is no one’s prey.She is the storm.