Strongest Necromancer System - Chapter 9: Stamina Depletion

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

After Xia Feng transmigrated, his heart was mysteriously removed.In its place, a defective demon heart capable of sustaining life only for eighteen years was implanted.This is a magical heart that can sync with the power level of its target.To stay alive, he bound himself to the ultimate villain of the future, a Destructive Witch who was destined to destroy the world.The stronger the Destructive Witch becomes, the stronger he becomes!Thus, Xia Feng realized, it's not my fault for stirring up trouble: “Miss Witch, I admit you're strong, but not strong enough!”

[STOP STEALING MY WORK, RULATE SITE BASTARDS]Aron died in an underground fight arena, only to wake up in Marvel World with an OP power similar to All For One. But in this world, he is a clone, saved by the X-Men. Follow, Aron's new journey as he tries his best to fit in this world of endless chaos.The biggest question is if he is a clone then where's the original body?[Timeline: AU][Harem> So, please, if you aren't into it, don't read.]...[The cover picture is AI made]...[This is not a translation.]Support link: pat eon.com/UnknownMaster[15+ advance chs] [No double billing]

Have you ever thought about how your life would turn out at the age of 18?Well before I could even say that I was an adult to even say I was going to conquer it.The world had seemed to already be determined of what mine and the rest of humanity would be when the first Leviathans was made public to our world.