Blacksmith: You Are Making Mjolnir For The Forging Exam? - Chapter 797: Transformed Meeh

“Brother Katakuri, I’m sorry, I don’t want to bear the name of Charlotte for a long time!”

“Ace, your flame is too weak!”

“Akainu, magma is dessert to fire dragons! Why don’t you understand this?”

The man who ate the dragon fruit, the traitor of the Charlotte family, sprinted towards the title of One Piece!

- Description from novelbuddy

In the twilight years of the dynasty, treacherous villains rose to power and demons plagued the world.Qin Zheng, bearing a scroll of virtuous deeds, traveled through time and found that by beheading those wrapped in sin, he could attain virtue and enhance his martial arts prowess.Thus, Qin Zheng glanced at the Ghost Head Greatsword in his hand.“The auspicious moment has come, to the execution!”With a great shout, Qin Zheng swung his blade and beheaded his target!!----------------This book is also known as “I've Become an Executioner After Time Travel?” and “Achieving Sainthood Through Merit, I Seek Elevation by Executing Sinners”......

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.

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates