I’m Cultivating Immortality While Everyone Else Practices Martial Arts - Chapter 3 - Martial Arts Genius Sister

Passing through the world after nuclear war on Earth, all humans fall into a game called “Transcendence”.Through games, people can gain the power to move mountains and seas. The strong can cross the void or the universe and do anything they want.Stel had been in this otherworldly place for eighteen years when one day, he woke up with the ability to “Evolve Every Day.”Various talents?Evolve!SSS-class “Descent of the God,” all attributes doubled, resurrection from death.SSS-class “Soul of Arcane,” all magic cast without conditions, power doubled, ignoring the opponent's defense.What about different skills?Evolve!“Fireball” → “Flamestorm”“Wind Blade” → “Storm of Death”...And what about different professions?Evolve!Treasured items? Evolve!Pets? Evolve!By the time Stel stepped out of the gaming pod and back into reality, the entire universe was already at his feet.

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.

The reborn Xu Renshan originally bought 50 times the lottery ticket with his memory, but he passed away with a huge sum of 200 million yuan.

Originally, he could successfully interview with the advantage of rebirth and become a civil servant, but he changed his mind when he met a rich woman on a blind date.

The civil servants who work from nine to five can’t compare to soft rice.

…

Many years later, the tens of billions of rich women, heh, his assets are increasing by tens of billions of income every year, and the unit is US dollars.

- Description from novelbuddy

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?