The Dragon King's Harem System - Chapter 217. Uraugh’s Offer I

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

The world is in chaos, and evil spirits appear everywhere, causing chaos in the world and poisoning the people.

The imperial court set up a special department for subduing demons, recruiting strange people, Buddhist monks and monks from all over the world to work together to slay demons and subdue demons.

Ning Xiu was reborn with a proficiency panel and practiced martial arts exercises hard, just to have the power to slay demons in this world of demons, suppress the universe, and protect the peace and prosperity of the human race.

[Tianwang King Kong Gong: Twenty Layers (99999/99999)] The blood is like a furnace, burning the river to boil the sea

[Dragon and Elephant Prajna: Eighteenth Floor (81111/88888)] Raise the peaks with both arms and move the mountains to remove the ridges

…

Ning Xiu: “My strength is all based on hard work every day, rain or shine.”

- Description from novelbuddy

“An Ice Dragon with a legendary bloodline? Yeah… I tamed it.”Killed in an explosive lab accident, Liu Feng thought his story had ended. But fate had other plans. Reborn in a world where magic reigns and beasts dominate the wilds, science is no longer his weapon —magic is.[DING! You have been reincarnated!][DING! You have received a Talent!][Talent: Eye of the Beast King][Rank: SSS][Abilities: Speak to beasts. Control without bonds. See into their souls. Heal their wounds. Break their will]Gifted with one of the rarest talents in the realm, Liu Feng —now reborn as Aiden Aswald— seemed destined for greatness.But with power came a price: a cruel curse of immortality, one that chained him to an eternity of pain.At twelve, Aiden regained the memories of his past life —and with them, unlocked his beast-controlling powers.His first tamed creature? A terrifying Ice Dragon with a legendary bloodline, feared even among apex predators.Taming it should've been impossible. Surviving it? Even more so.But that was just the beginning.Now, Aiden walks a perilous path, forging bonds with magical beasts while uncovering the truth behind his curse. To break it, he must seek out the Essence of the Chronos Fire Dragon Beast.In a world where beasts rule, contracts are sacred, and survival is earned fang by fang... will Aiden rise as king —or fall as prey?