The Weakest Tamer Trash Picking Journey Begins - Chapter 528 490 Episodes 20 Years Old Rumor

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. After the flight of his new patrons, he is left to care for a filthy castle. During his quest to keep this new home clean, he will face demons, foreign armies, and the dreaded stairs.All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.Follow this wholesome vacuum on his quest to power.

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.

In a world where power is dictated by gangs, cities, and families ranked from Tier 1 to Tier 6, only the strongest survive. In the Tier 4 city of Blackridge, fifteen-year-old Elijah struggles to find his place. With his mother working tirelessly and his younger sister depending on him, he has always kept his head down.Determined to rise above the chaos, Elijah and his best friend Kai decide to create their own gang from nothing. But strength in this world isn’t given—it’s taken. The gangs that rule Blackridge won’t tolerate competition, and even the weakest gang has more resources, manpower, and experience than they do. With no money, no reputation, and no clear allies, they must navigate a brutal world of betrayals, violence, and ambition, where every decision could mean life or death.But Elijah is different. He possesses a mysterious system that offers him power—at a cost. As he slowly uncovers its secrets, he realizes that survival is not enough. To protect those he loves, he must become stronger than anyone else. He must climb the ranks, crush the opposition, and seize control of Blackridge’s underworld.But in a world ruled by kings, warlords, and ancient families, the price of power is steep. And when the past comes back to haunt him—when whispers of a forgotten night resurface—Elijah must confront not only his enemies but the truth about himself.In the gang world, the strong rise, the weak perish, and only the ruthless reign supreme.And Elijah? He plans to reign at the very top

The Supernatural era descended, the rules changed, mystery arrived, and the world altered. Countless ruins of civilization emerged, and an abundance of Heavenly Materials and Earthly Treasures lay at everyone’s fingertips. Radical faction, “This is the best of times, entering a new world, excavating relics, mass evolution!” Conservative, “This is the worst of times, with countless monsters outside, once you leave the Safe Zone, extinction awaits humanity!” … Meanwhile, at a remote ruin, Lu Yuan successfully discovered new treasures and sought after the mysterious wealth, desperately trying to contact his fellow Earthlings. “Found a communicator, can it get through?” “Hey, humans—I’m almost becoming a god, and you’re still hiding in the Safe Zone?”