Commanding Wind and Cloud - Chapter 13: Challenge Bloodlines

Chen Lun transmigrated to the year before the game’s public beta, becoming an NPC in the game world. Thus, a new version was born... Steam punk, Mysterious Objects, Church, Shelter, the pathways of the Sequences of the Seven True Gods... He placed his black top hat on his head, standing atop the ruins. Behind him stood the villain bosses from former game versions, the silent Nun Floey, Bloody Painter Noah, Swordsman Antonio, the delusional clown Alec... Chen Lun said, “Players grind monsters, I grind players, it makes perfect sense...” ... Also known as “How to Rationally Use Players as a Sustainable Resource,” “These Bosses Are Really Strong But They Are All My Underlings,” “No Way! So I Can Be A Deity, Too?!”

Cifer was offered as a sacrifice to the devil by his own family. Instead of dying, was given a chance to live in another world. The One True God has given him a mission. Stop the higher being calling themselves gods from snatching soul from the life stream and restore balance.An adventure will begin from a devil's sacrifice to be one of the most powerful beings seen.With a body of a titan and souls of devils, grasp power and devour everything for happiness and freedom.

Before the rebirth, Gu Qingyao wanted to marry him but did not dare to marry. After the rebirth, Gu Qingyao, with the space materials in hand, all day planning to marry him with a huge dowry.

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.