Harry Potter and the Fortunate Queen - Chapter 37: A Key

Lu Yuan was originally just a normal ordinary person, but one day he passed through it and became a day of destruction with a splendid reputation in the DC universe.

Doomsday does not refer to a single monster, but a terrifying legion from the technological civilization of Krypton.

But Doomsday is not a superman. In fact, it is a terrible biochemical weapon invented by the dead body of Kryptonian who got superhuman power and resurrected.

Lu Yuan became one of the doomsdays after just passing through, and entered the core of the sun for 100,000 years.

One day, Lu Yuan woke up, but when he flew back to Earth, he found that this place is no longer the Earth of the DC universe. I don’t know why he seems to have come to Marvel?

“Isn’t this invincible? Without kryptonite, I would be God.”

- Description from novelbuddy

Some say he is the bad apple in a basket, that he’s rotting everything around him with disgrace and corruption.

Some say he is the biggest scum of the South Zhanbu Continent, that he’s colluding with the dark sects to cheat, steal, and commit all manner of atrocities.

Some say he is the most wanted playboy. “Lock your daughters at home to keep Fang Xing away!”

To all of those people, “That’s right, I am that big rotten apple. Any problem with that?”

This brand of anti-hero is a young orphan with poor prospects and nothing more than the keepsakes of his uncles. He plots, schemes, and orchestrates all manner of villainy in his quest for power and revenge, unafraid to live precariously and make enemies out of those he really should not.

- Description from Novelupdates

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.

Two years ago, the famous teenage e-sports genius, Daylight, accused an opponent of cheating in a competitive game and eventually disappeared from e-sports.

Two years later, the small streamer (ShadowBlade) dominates in an Overwatch match and runs into the super famous streamer, (KangMing).

Kang Ming: Can you shoot me again?!

– YOU WERE ELIMINATED BY SHADOWBLADE –

Kang Ming: Oh.

Then ShadowBlade finally realized: if I want to die, I must do it myself.

- Description from Novelupdates