Undead - Chapter 23

Unite the Clans? Create an Empire?Atrox Soryu thought he was destined for greatness… until he wasn’t.Born into the smaller Soryu Clan, Atrox was a prodigy, praised for his unparalleled swordsmanship and relentless ambition. He vowed to become Emperor of the Eternal Skies, a title that hadn't been claimed in centuries. But on the day he was to manifest his Order Mark—the source of every knight’s power—everything went wrong.Instead of the revered Holy, Elemental, or Mystic Orders, Atrox was branded with a Forbidden Order: Something twisted and wrong. A death sentence in the eyes of the world. Branded a monster and exiled by his own father, Atrox was cast into a brutal labor camp where the weak are crushed, and the strong are barely tolerated.But exile isn’t the end—it’s the beginning. In the harshest of conditions, Atrox awakens the full potential of his forbidden powers, powers that could rival even the strongest Knights. He will forge alliances with the forgotten, turn his enemies into allies, and rise from the shadows to build an empire from nothing.Betrayed, exiled, and broken? No. Atrox Soryu is building an empire—and the Eternal Skies will bow to him.

The protagonist Yang Yong competes with others in the bar and has a special function of mutation, and he can observe the spectrum emitted by various metals.

Every day in the United States, there are thousands of unowned abandoned warehouses for auction. Yang Yongping borrowed the special function of his left eye to find valuable items from the garbage, such as gold and silver coins, cars, and even antiques, guns, There are all kinds of things.

The scouring has made Yang Yong’s business bigger and bigger, from auctioning old warehouses to auctioning old houses, buying salvage boats to salvage sunken treasures on the seabed, to buying ancient castles in Europe and excavating underground vaults, step by step. Kangzhuang Avenue, proud of life.

- Description from novelbuddy

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

Imagine being forced to live, after death, as incorporeal bodies trapped in a vast space of nothingness for thousands of years, with nothing to do but exchanging past memories with other cohabitants (read: weirdos). Everybody wanted out, but there was no way to leave the Void…