Skill Forge: Broken Extra Character - Chapter 20 - : Hidden Quest 5

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

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.

It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??

Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

- Description from Webnovel

We were a peaceful people living in harmony with nature in the vast lands of Lyréanor, but this peace was short-lived when our people were defeated by the dark elves, an ancient people even older than this world. It is said that they arrived in Lyréanor by boat and since their arrival, chaos has been unleashed. Proud of their obscure power, derived from dark rituals, they have raised gigantic armies of monsters whose name is synonymous with terror: ‘Obscurus’.They went on the rampage, and everywhere they went the grass didn't grow back, life died and disintegrated. Seven, there were seven. The seven dark elves known as the Lords of the Apocalypse. A single gesture from them was enough to strike us all down, a single gesture from one of them was enough to decimate us in blood and terror.And as I, Foster, contemplate the macabre scene before me, the bloodied and deformed bodies of my fellow elfes beings, and as death grips my soul, a strange sign appeared before me.[Ding... Activation of the world tree system]

A bolt of lightning descends from the sky, marking the arrival of a sweet and charming automaton girl in the Marvel universe!She’s adorable, formidable in combat, and capable of even more surprises—uh, ahem!The Marvel Cinematic Universe is rife with danger, but the life of a superhero dedicated to world peace is definitely worth looking forward to!“Waaah! Don’t pull my ears! Let me finish this game! I’ll pay, I’ll pay, okay?!”Although determined to become a superhero, games still need playing, and anime must still be watched!What? You think she’s neglecting her duties?Oh, but she possesses the incredible ability to convert concepts from various works into her own skills!For Kagura Hitomi, who wields the limitless “Conceptual Skill System,” ACG (Anime, Comics, and Games) is her ultimate source of power!