Mommy Villainess - Chapter 212: The Land that Drinks Blood

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.

Traveling through the troubled times, the strong are born, and the dangers are everywhere.

Lu Wangchuan found that as long as he consumed a certain amount of energy and blood, he could directly improve the level of his skills.

Consume 1,000 calories of energy and blood, and complete the Cracking Mountain Fist to open the monument and crack the stone.

Consume 10,000 calories of energy and blood, and cut the river with one sword at the full level of Wuji Swordsmanship.

Consume 100,000 calories of energy and blood, and destroy 100,000 enemies instantly with the ultimate Prajna Dragon Elephant!

…

Time flies, when the energy and blood exceeds a trillion trillion, Lu Wangchuan suppresses the sky with one thought, and destroys the gods with one word!

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- Description from novelbuddy

Lucien is an exploited employee, with a miserable salary and a life marked by loneliness... as well as carrying a secret that beats within him: the mysterious Black Blood.One night, on his way home, he is attacked by vampires. What seemed like the end becomes the beginning of an unexpected destiny.Lucien wakes up as a vampire... And not just any one.Amidst intrigue, power, and an unexpected marriage to beautiful vampires, he will be drawn into the dangerous supernatural world.What Lucien never imagined was that this strange condition he detested so much would be the key to transforming him into the most feared... and powerful vampire of all time....So, about the NTR stuff. Netorare? Absolutely not. Netori? I'll leave that up to fate... Oh, I almost forgot, there will be no incest in this novel.

Shoved into the backseat of his father's car right after graduation, Riley Hale ended up marching toward a company building with a bagged lunch and a pen.Still in his toga, the fresh graduate never thought he’d land in the office of the continent’s top lizard, err, dragon, as his aide.And that would’ve driven any person wishing for a corporate career to tears. After all, who wouldn’t want to serve the fastest ticket up the corporate ladder: Kael Dravaryn, the infamously elegant, unhinged, and extremely overpowered Dragon Lord of the continent?Well, that would be Riley.The same Riley who didn’t expect to spend his days dodging fireballs, dressing his boss in robes more complicated than dark magic, and serving as a literal target during morning sparring.Now trapped in a job he never truly agreed to, the hardworking aide decided to hold out until it was time for his glorious resignation. But leaving a dragon’s clutches could never be easy, especially one with elemental mastery and a finger worth a private army.Yet, as Riley, who longs to quit, attempts to navigate ancient politics, wyvern threats, and other accidents (many of which are definitely not his fault), he might just hallucinate himself into seeing something beneath his boss’s arrogance and molten glares.Maybe he’d actually care if Riley got turned to ash.