MTL - Game Materialization: My Identity As The Immortal Emperor Is Exposed - Chapter 16 10 great artifacts are realized

In his past life, as the countdown in his mind reached zero, people discovered they could enter and exit a virtual game at will. Inside, they could fight monsters and level up. Like most, Ye Qiu didn’t pay much attention to it and became a casual player, only logging in occasionally.But ten days later, the game suddenly shut down. And then, it merged with the real world!Monsters began to rampage, demons started to roam freely! Along with them came levels, equipment, skills, pets…And Ye Qiu, at the moment the server closed, was only level 5!From then on, he could only struggle to survive, hiding and fleeing, even enduring humiliation and ab*se!Until his final breath, he remained unknown, weak, and pitiful!In this life, Ye Qiu has returned to twenty years ago. And the game has just launched…

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

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.

Ercella lived a glorious life everyone envied, but died of an illness at a young age.

Before her death, she regretted not having become a proper mother to her son.

But somehow, she went back three years ago.

Ercella is living her second life.

I promise to be a loving mother this time.

However, is it too late?

“Now that you’re doing this, you’re just making me feel uncomfortable.”

The son only pushes her away and she realises that her relationship with the husband, who she thought was fine before her regression, wasn’t actually…