MTL - Side Character Transmigrations: The Final Boss is No Joke - Chapter 12 Giants (12)

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

This thought had grown deep in William’s mind!

After his tragic life ended, Aleron expected to reincarnate or transmigrate, but instead, he was transported with his body and summoned as a hero...only to enter a new hell as he had trash stats and couldn't activate his Divine Blessing, prompting the King to extract his boon.He was tortured and onward to being buried alive with his soul ravaged after they removed his Divine Blessing. But all was not lost as Aleron found he had the Ultimate Gacha System at the death's door and initiated his first summon in the Lords of Arcane banner.[Congratulations! You have summoned Darzax the Graveborn, the Sorcerer of Death and Necromancy.]

Genius, antisocial, solitary, intractable , maniacal.

At the turn of every era, it is he who raises the flag of the rebel cross.

Winners take it all, losers take the fall.

He who brings order to a chaotic world, assembles talents and masterminds.

He who hides among the crowd, yet stands on the top of the world.

— The one and only, him.

- Description from Novelupdates