Steel and Sorrow: Rise of the Mercenary king - Chapter 27: Debts are to be repayed

The weak prince of an insignificant country, Davey. After becoming comatose, his soul escaped to a temple where the souls of heroes gathered.

He trained for a thousand years and has now returned as a max level hero!

“Just you guys wait, I’m gonna face you all head-on!”

The refreshing story of Davey’s royal life and revenge has just begun.

“Does the vengeance of justice count as a sin?”Fushimi Shika, burdened with a system, gives his answer: “Yes! But I will take on all sins!”Avengers chant his name, leaving behind his name. Thus, the world gains a notorious serial killer.A grieving father avenges his lost daughter by killing the true perpetrator;A husband takes revenge for his wife through a locked-room murder;A child who lost both parents makes a desperate gamble...Fushimi Shika shields these unfortunate souls who have lost everything, leaving his unique proclamation at the scene:“This is divine punishment, I am the divine punishment”...Years later, atop Tokyo Tower, Minamoto Tamako points a gun at her partner.“Although I don’t know how you did it, you are the mastermind!”Amidst thunder and lightning, rain pouring down, Fushimi Shika raises his hands:“How rude, Rabbit Officer, I am a messenger of justice.”

Two years after the breakup, he developed misogyny. Being too close to a woman would make him nauseous and vomit.Mo Chen: Why are there ugly women everywhere?The Brothers: ???Qiao Ruoxin suddenly returned, begging for reconciliation and affection.Mo Chen: You say breakup and we break up, you say reconcile and we reconcile? Who do you think you are!She kissed him forcefully, and Mo Chen instantly became tame, like a docile beast.The Brothers: ??? What happened to your misogyny? And what's with that look of enjoyment?Mo Chen: Get out! You're getting a free show and still have so much to say!Qiao Ruoxin: Brothers, help me pursue Mo Chen. After I succeed, each of you gets a billion, and he's paying.The Brothers: ??? You two really are a pair of extraordinary heroes!Mo Chen: You guys created a group chat behind my back?People hurriedly left the group chat......“Little Ghost, Brother is quite easy to coax, just be patient.”A beautiful and badass sweetheart X an abnormally paranoid and irritable CEO

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.