City of Sin - Book 1, Chapter 15

With the booming age of the internet, livestreaming is already a prevalent career all over the world. With people proving that money could be earned here, a lot of people jumped into it, gaining fame and wealth.Jay is a struggling 21 years old college student who dreams about becoming a livestreamer. Unfortunately, Jay don't have any talent beside his slightly handsome face. Because of that, it was hard for him to even have some viewers.But by a miracle, Jay gained the ownership of the Cube, changing his life all the way by doing all kinds of achievements![Congratulations, you completed the achievement 'Sing to your viewers in your live stream.'][You acquired the skill 'Singing' level 1.][You acquired 5,000 pesos.]...Disclaimer: This is a work of fiction. Unless otherwise indicated, all the names, characters, businesses, places, events and incidents in this book are either the product of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.

Within the virtual world of “Avalon Online”, Finn, or otherwise known as “Echo” within the game, was one of its greatest players. After logging off from a long session, however, he notices something awry outside of his apartment.The streets were flooded with chaos, screams echo through the night, and hell is loot loose. Monsters from Avalon Online are running through the streets, wrecking havoc. In the midst of this hellish awakening, Finn is greeted with the one gift bestowed to humanity in this dark hour:[...Assessing life experience…][Assessment Complete][Name: Finn Thorne][Age: 20][Designated Class: Assassin][Starting Level: 5][A [Legacy System] has been bestowed to you for your accomplishments within Avalon.][Assimilation System Awakened.]In this twisted turn, as the world as it was once known is gone with the arrival of magic and monsters, the remnants of humanity must level up if they wish to survive.Finn is left in this dark, hopeless apocalypse, using his own experience from Avalon Online to best survive what seems to be an impossible task.

In the King’s game, the [King]’s order is absolute and has the power to create rules. As the owner of a special physique, Gu Huai was selected by the system to participate in the game. “Win the game and become the [King], and you can obtain whatever it is you desire.”

- Description from Novelupdates

Ally level 8,6,6,6! Enemy level 6,5,4…0?