Refining the Mountains and Rivers - Chapter 1720 – Guardian of the Seal

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 dying in laboratory tests, Klaus transmigrated to a Sorcerer World, in a strange and peculiar character whose existence is an enigma. He knew this world, for it was the world of the novel one of his students wrote. He also knew the character because he created it. But it was a discarded character; it never appeared in the novel. How could he have transmigrated in it? Reality hit him soon after when he was sent to cross through the first test that every sorcerer must pass to awaken his abilities. There, he will have to fight against powerful monsters, which they call Curses, and against other Sorcerers, all to try to enter the select group of Sorcerers to discover the secrets that await in this world and understand his arrival to this and his existence. Just when he thought his journey might be boring, he received a peculiar and mighty power bordering divinity, capable of making him reach unimaginable heights. Although a bit dangerous...

Some people are destined to meet, even if one is in Heaven and the other in Hell.Rose Prison, the number one prison in the real world!Here are detained the world's top criminals, business elites, political giants, super hackers, and even nuclear weapons experts. What happens when such a group enters the Virtual World?Heroes' Prison, the number one prison in the Virtual World!Here are held the most legendary heroes and Magical Beasts, the Harbinger of Doomsday, the Remote Ancient Demon Emperor, the Troll Chieftain, bounty hunters, and even the mighty—Gods! How powerful would one be, carrying such a prison with them?In fact, the world itself is a prison, and to attain true freedom, one must change the world!

I am the most talented guardian of this era!

But no one knows, I still have a second template, the knife cuts the flesh, the intention cuts the soul!

You may have seen the meatless juggernaut, but you have never seen a full-time meat shield with an explosive attack!

- Description from novelbuddy