MTL - Invincible Non-stop Upgrading System - Chapter 845 But so

A Nethergod who was supposed to be a Lord that governed the Netherworld as a ruler. Cruelty and Mercilessness are his nature. But despite that his heart only beats for one person. His love, feelings and obsession are for his alone.One whose memories were sealed for some reason. While the other lost his right as a lord and his soul fragments were scattered all over different worlds.Then they've met in those worlds. Bullying the heaven's beloved children and destroying the plots of the worlds creating endless chaos. With both the MC and ML having some problems in the brain and are psychopaths. Will the world end or not?"I will chase and capture you, over and over again. Imprisoning you in my embrace. Until there will be no gaps for you to escape anymore. You are my obsession and my everything.""Capture me. Find me. As long as you do, I will stay by your side until the end. There is no need for you to know what I did for you."A hellish ride of two shameless and evil people. The true meaning of their relationship was hidden within those sealed memories. An action packed journey with thrilling and full of suspense events which you wouldn't like to miss!NO ONE 17 AND UNDER. You have been warned.Credits for the Char. photo: Natalie Riverson (Pinterest)

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.

The dark underground dungeon was filled with countless ancient relics and treasures. Eerie, deformed, cursed objects... The abyss, catacombs, Ancient Gods, mythical races... Mechanics, cursed seal implants, and the gargantuan black towers... A peculiar mix of Alchemy, a drop of steampunk, two spoons of supernatural mystery, blending into a vibrant and colorful fantasy world. I am a puppeteer Alchemist. All that my eyes behold, becomes my puppet. Alone, I am an army!

[Power System has beautiful Waifus as his spirits.]

[Read for the great plot and a perfect HAREM. There will be SMUT chapters only when required. The protagonist isn't Naive and treats his woman with care.]

[Read only if you want a great plot, sweet romance, a perfect harem, and good smut without any forced development.]

[Story would make sense as you progress I have avoided info dump and explained in a natural way to answer each question through the characters.]

*Ding!*

[Dual Cultivation System installed]

…

Yue Yan Gets kidnapped by the goddess on his sweet night with his girlfriend. She asks him to help her on a mission against the XieLong temple but he turns her down.

Later, some mysteries reveal their past and Yue Yan agrees to help her in order to meet his Bing'er again who has also been sent to the new world.

When he transmigrates into the body of Meng Long, he finds out he has a special Physique, the Supreme Yang body that stops his growth in Cultivation unless he Dual-Cultivates with a woman.

Yue Yan's new family had mistreated his predecessor Meng Long so he decides to leave the clan to embark on a new path with his beautiful concubine Xue Rou.

Join Yue Yan AKA Meng Long, in his Journey to reach the pinnacle of the world.