I Can Assimilate Everything - Chapter 282: Mythological II

Never underestimate the guy who has so much Mana it should kill him...Nathaniel's bus ride was supposed to be just another boring commute. But now, he, 23 fellow passengers, and a corgi named Biscuit are stuck in a “Hell difficulty” tutorial, battling monsters and leveling up.Easy difficulty, anyone can handle. Normal difficulty, you've got to put up a fight to get by. Hard difficulty is where only the tough ones last. And Hell? That's where you have to be a bit out of your mind!With his terrifying talent for mana manipulation, Nathaniel decides to invest every stat point into mana. Attribute imbalance be damned. It will either kill him before the monsters and his enemies can, or turn him into one of the most powerful beings within the system.

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.

They love gold, and they love silver. Even more so, they love gems that dazzle, like stars across the skies.
Firearms, jewelleries, and precious metals; A collector’s world will not be complete without antiques.
Storage auctions, old goods trade, re-estate sales and gold-digging. But the truth is, if one wants to make money, then the supreme way is through searching for the legendary treasures.
Holding the fort, there’s an ocelot, a wolf, and an Andes condor. At the side, there’s a loyal hound, an irascible ape, and an African honey badger. Who said that you can only rely on humans when treasure hunting?!

- Description from Novelupdates

When he woke up, Xiao Junlin transmigrated into the novel he was reading, but he was not the protagonist, but the male partner’s father, who was still a licking dog.

“I have ruined your reputation for the first time. From today, my son will be relieved of all positions in the group.”

“Ding, the host cuts off the relationship with his son and gets a reward of twenty years younger.”

“Don’t call me uncle, the stinky girl only knows how to use my son. Starting today, you will be demoted and go downstairs to clean the toilet.”

“Ding, the host successfully suppressed the heroine, and obtained god-level investment skills and god-level fighting skills.” Killing the dog, suppressing the heroine, and winning the protagonist’s creation, Xiao Junlin found that he was gradually approaching the peak of his life. …

- Description from novelbuddy