Martial Peak - Chapter 2: Breaking through the wall and not looking back

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

Su Yun crossed over and became a small anchor, suffering from lack of talent, he broadcasted live broadcasts of “hard training all kinds of unique skills” every day, wanting to make a living.

Such as: flying cards to cut flies; wooden swords to play table tennis; flying needles to shoot bulletproof glass;

On the first day of dawdling, Su Yun learned how to fly cards, and everyone thought he was here to make a joke.

On the fifth day, Su Yunfei split the cucumber, and everyone thought he had stopped here.

On the 30th day, Su Yun’s card cut through the stake ten meters away and killed the fly… After everyone was astonished, they all agreed that this was a special effect!

…

Until this day, Su Yun accidentally ran into a robber when he went out. He used cards to kill people, and the whole Internet was buzzing!

After a period of time, when Su Yun was accidentally exposed and received a summons from the police station to file a record, more of his skills were exposed one by one:

The light work of crossing the river with one reed!

The swordsmanship of splitting stones with one sword!

A flying needle comparable to bullet penetration…

Police: “Are you sure this is just an anchor? File it as an S-level file immediately!”

[There is no martial arts or cultivation world in this book, I am the only one in the book, and I am the only one in the world who comprehends evolution, it all depends on my talent]

- Description from novelbuddy

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.