Physician's Odyssey - Chapter 891 - Experimen

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.

Born with an inauspicious birthmark on her forehead, Annalise finds out that she doesn’t have long to live.

Her determination to uncover the history behind her birthmark and get rid of it before her death day made her stumble into a temple, accidentally awakening the demon which had been sealed within but how could she have foreseen that her desperation would lead her to an even greater doom?

The prince of darkness, the most powerful, feared and merciless Roshan Arlow is finally back! With only one aim in mind and it screams vengeance!

But when a certain human keeps meddling with the affairs of his plans, he has to decide between getting rid of her or making her a pawn to his endless game.

Anna is desperate for the cure and even agrees to a game of foreplay one certain night.

But what happens when the demon starts to find her a little…. tempting?

After the soldiers’ mercenary group where he used to work had been utterly destroyed, Loren, who survived the disaster, decided to walk the adventurer’s path as a way to make a living. However, for Loren who had no acquaintances and nothing but an empty pocket on him, receiving a single quest seemed like a faraway aim. So, as he was contemplating about what he should do next, another adventurer called out to him.