Black Iron Magician - Chapter 537: A Reward from Maria

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Betrayed by his closest ally, Caleb Ellise was forced to settle for third place in the world’s most prestigious RTS gaming tournament, Lord of Empires.Disheartened but resigned, he accepts his prize, delivered via email. But just as Caleb thought his journey had ended, fate had other plans.BLAST!A sudden explosion leaves him critically injured. When he regains consciousness, Caleb finds himself not in a hospital bed—but in an entirely different world.[DING! Welcome to Izoya Continent, Earth #212][Welcome to the Grand Tournament: Season King Lord of Empires][Host has been designated as Lord of Kingdom #9845007]Caleb quickly realizes the impossible: he has been transported into the very game he spent years mastering. Now, the stakes are higher than ever.[Main Mission: Build your kingdom, dominate the economy, forge alliances, and conquer the world][Congratulations, Host! You’ve unlocked the Lord Talent: Vision Fog (Rank: S)]Fueled by his expertise, a newfound determination ignites within Caleb. No longer just a player, he is now a lord destined to rise.As he navigates treacherous alliances and strategic battles, Caleb vows to reclaim his crown—not as a gamer, but as the true King of Kings.The game isn’t over. It has only just begun.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

A reader has been watching Hanyu for so many years and can’t help but revolt!

This is a Korean entertainment in my imagination, not a stallion, not a red palace. Korean entertainment that is as close to real life as possible

- Description from novelbuddy