Treasure Hunting System： The Ocean Conquerer - Chapter 738 - 329: The Blooming Celestial Flower

The Chaos War, a time when even the gods fought for survival, was an unexpected and cataclysmic event. The reasons for its occurrence remain shrouded in mystery, and in the new era, all traces of the world before the war have been erased from existence.The universe, the immortal realm, and even the domain of the gods were all affected, and no one was spared from the aftermath of the conflict. The beings who lived before the war are now known as ancient gods, and their legends continue to captivate and inspire the people of the new era.Chen Tian, who was killed due to a treasure from the ancient era, finds himself reincarnated in a strange and unfamiliar place known as Earth.Unlike his previous life, the people here are only mortal and rely heavily on technology for their daily lives, and the concept of cultivation is unknown to them.Thinking that he would have an easy life in this new world, Chen Tian quickly realizes this world is far from simple.Join Chen Tian on his journey in discovering mysteries that will leave even gods shocked, and witness how he becomes a powerful cultivator, fighting against immortals and gods.

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.

Aaron thought he was doomed when he transmigrated to Blue Star—a world eerily like Earth, but steeped in supernatural chaos. On the day of the Awakening Ceremony, where power is everything, he drew a blank. No talent, no hope, just a one-way ticket to mediocrity… or worse.Until *BAM!**[System Bound Successfully! Host, Welcome to the Lucky Spin System!]*With a single spin, Aaron’s fate flips: *SSS-rank Lucky Halo unlocked!* Another spin? *Vampire Primogenitor bloodline acquired!* One more? *Abyssal Dragon summoned as his ultimate ally!*Armed with a system that dishes out game-changing rewards every day, Aaron defies the odds, shocks the world, and claws his way to the top. In a realm ruled by talent, this nobody is rewriting destiny—one lucky spin at a time!

Five years ago, Gu Jiayu, who climbed out of the mountain nest, entered the entertainment circle in order to cultivate, and in order to overcome the shortcomings of emotional gaps, he used an excellent acting skill to hook up a Chinese “little nobleman” abroad. After a month of falling in love and feeling love, he ran away with guilty conscience after the other party proposed marriage.

Five years later, Gu Yingdi had become popular all over the country, but he had a four-year-old son beside him. 

One day, the little handsome guy pointed at the man who took up the entire page in the financial newspaper and said, “Dad, this man looks like me!” Gu Jiayi glanced at the calm, handsome man in a suit and shoes in the newspaper, and asked with a guilty conscience, “He has an onion head, and his body is black and black like the top post. Are you sure you look like him?” That night, “Top Door Post” came to the door … Gu Jiayu, “My son, hide your tail!”

- Description from Novelupdates