I Secretly Develop Myself In The Demon World - Chapter 866 - 451: Beyond the Stone Door_2

A normal office worker, Toru Minasuki, was swallowed up by a dimensional fissure and reincarnated into a different world. Upon reincarnation, Toru was given a [skill board] by God. Make the most of it to acquire all the necessary skills! Even though he is an “inferior person,” he’ll make his way to the top!

Ye Xinghui was tricked into another world by an unscrupulous god.Still, he at least has a golden finger.At first, Ye Xinghui planned to rely on his golden finger to become a protagonist in the new world, but… when he saw his parents’ information, he was completely dumbfounded.His father turned out to be the legendary King of Soldiers, and his mother was the legitimate daughter of the first noble family in China.But this was nothing. Ye Xinghui was even more dumbfounded when his brother suddenly woke up and said, “Shouldn’t I be going through the heavenly tribulation? Why am I here… wait… is this Earth?”Ye Xinghui can’t help but think, ‘Didn’t we agree that I would be the protagonist?’

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

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.