MTL - After Being Marked By the Picked Milk A - Chapter 80

Thrown into a brutal world of swords and sorcery, his memories stolen by an unseen force, Magnus wanted only one thing: to go home.But every kingdom, devil, and god — along with regressors, possessors, and fellow reincarnators — seeks to carve him apart.Survival demands war. War demands survival.And with a System that hides more than it reveals, Magnus is dragged down a bloodstained path... one battle, one betrayal, one broken world at a time.

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

Next up is——The venerable master of Hydra, the High Priest of the Purple Sweet Potato SpiritThe psychiatrist of The Avengers, and the financial advisor of S.H.I.E.L.D.Batman's dissertation killer, Joker's soulmateThe head physician of Arkham Asylum, the professor with all positive reviews from Gotham UniversityA recipient of the Red Flag Medal, a possessor of God's blessingsThe iron curtain of New York, the breath of fresh air in GothamThe eternally undying Dark Sun——Schiller Rodriguez!(All titles mentioned above have been rightfully earned within the main text. Any new titles will be added as they arise.)(This isn't a web novel with a system, and the system disappears soon, those who don't like it can skip the first thirty chapters.)

After a long slumber, Zhou Yi wakes up in a wasteland era. He discovers that the new humans, to avoid the daylight supremacy of the Guangna species, only dare to come out at night, meekly whispering in the darkness and scavenging for trash. Exasperated, he questions how humans could have deteriorated to such a state. Lamenting that each generation seems to be worse than the last, Zhou Yi decides to show them the ways of the older generation. Embarking on a quest to transform the wasteland, he aims to rebuild the lost splendor of humanity.