There Is A Huge Problem With My Achievement System - Chapter 796 - : Beautiful Nightmare (1)

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

Every human on Earth was transformed into a summoned monster and was summoned to another world.

For eighteen long years, Jon fought a relentless battle against a terminal illness, confined to a hospital bed and in the constant shadow of death. However, fate had much bigger plans for him.The destiny of a God-Emperor promised by ancient and mysterious prophecies.Chosen as the Messiah by an Omnipotent and Omniscient God, Jon is thrown into a world on the brink of a devastating war, where his decisions will determine whether humanity perishes or has the chance to continue existing.Facing the terrible army of the undead and raised as a bastard in Winterfell despite his noble origins, Jon must quickly strengthen himself for the final battle that will decide the fate of civilization.But his path to the Iron Throne is full of challenges: as well as defeating supernatural enemies, he will have to face a treacherous politics, where kind words hide dark and deadly intentions.The fate of all human civilization rests on his shoulders.(Elements of Game Of Thrones/Dune/Warhammer)*Harem: Three wives and a mistress*Netorare or Netori: Absolutely NOT*Yuri: No.*R-18: Yes.*Gore: Yes.The Chronicles of Ice and Fire.

A generation of hegemons, betrayed by betrayal, besieged by forty-nine strong men, tragically killed and robbed the mountain, re-lived once, he will re-enter the peak; strong rise, into the chaotic star field, exhausted 100,000 strong, Wusheng dead and kill, The impact is high!

- Description from 69shu translation