Regressor Takes Everything - Chapter 85: After returning to the party.

An RPG gamer who played the realistic VRMMORPG ‘The Amber Sword’ for years, finds himself teleported to a parallel world that resembled the game greatly. He takes on the body of an NPC who was fated to die, and with the feelings of the dying NPC and his own heartrending events in the game, he sets out to change the fate of a kingdom that was doomed to tragedy.

- Description from novelupdates

This is a world of swords and magic. Here, sorcerers and knights are well established, while alchemists and forge smiths are revered by the Empire. Mas transmigrated from Earth to this world and became an apprentice alchemist. This was a very noble status, a brilliant alchemist could command the respect of any major city. Mas was also proud of his own position. But he didn’t expect that his teacher was actually a huge fraudster, who used subpar alchemy products to trick the Royal Capital.

When they came knocking on the door fuming with killing intent, Mas’s teacher Wosk had already run away. While Mas, who was his student, was left behind to deal with this mess. If Mas was unable to hand up alchemy products that are powerful enough, he would be burnt alive by the people of the Great Empire. Just then, he finally awakened the God-tier Alchemist System and received the Creator’s Alchemy Station. On this station, any monster could be created. [Obsidian Gargoyle], [Lightning Naga], [Iron Golem], [Granite Golem], [Puppet Dragon], [Laval Titan]...... One after another legendary alchemy creatures were born in the hands of Mas, and he gradually gained the title of the God of Alchemy!

Damien Julian is an 18-year-old loser, who has been bullied and mistreated his entire life, at home, he has to deal with his abusive father, and at school, he is constantly been bullied by delinquents, and to make things worse he is always looked down upon by his peers, till one day a mysterious screen appear before him as it said.

[The world has seen the lingering evil in your heart]

[Would you like to be one of the nine demon kings of this world]

[If so what are you willing to sacrifice?]

In the heat of the moment, Damien made a deal with the world, that he would give up everything he owns, or do anything it wants, and in exchange, he shall be reborn as a new Demon King, and what the world required from him as payment was.

[In exchange for power, become a slave of the world, and act as an anti-body for all eternity]

At that moment, Damien agreed, but little did Damien know, that becoming a slave to the world meant he has to be its immune system, what that entail is, that anything that threaten the world must be destroyed even if he has to wipe out humanity, to save it, or assassinate historical figures to bring fort balance or even manipulating events that can potentially end the world, to save the world, this is the story of a necessary evil, not the story of a hero who cares for others.

Zou Liang, an otaku with a passionate interest in a fighting game came into a world governed by the beast tribes.

There the ones with high martial ability were respected.

Extreme beauties were a little silly.

This guy felt depressed. Such a crazy really could force a civilized people like him to turn crazy!

Scoundrel Zou began his unrestrained and destructive journey in the Beast God Continent.

Rules? There are no rules!

Principles? His actions defined the principles!

Occupations? Occupations were as unimportant as fleeting clouds. What he sought was omnipotence!

In a different world, Zou held the same passion.

This is a story of a nobody becoming the great conqueror—step by step—as a human, filled with touching emotions, explosive anger, and hot blood forever!

- Description from Novelupdates