Shadow Slave - Chapter 33: Carapace Scavenger

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

A Sword Dao expert, mastering Sword Control across thousands of miles, traverses heaven and earth.An Peak Alchemy Master with supreme power, their Medicine City can revive the dead and regenerate bones.A Talismanic Elixir can annihilate strong enemies and demons.The youngest Eternal Life Pill Master of the continent is betrayed during the refining of an Immortal Pill.Three years later, a young man named Chu Feng from the fallen Sword King Mansion joins the Ten Thousand Sword Sect.The enemies and treacherous disciples who once opposed the Eternal Life Pill Master are now in utter fear.

A 20-year-old genius medical student transmigrated to a book she read during an experiment and became a female supporting character named Mo Li.

At nineteen, Dexter was already one of the world’s most celebrated authors. His books topped charts. Critics praised his genius. Fans devoured every word. But behind the acclaim was a lonely boy—raised without parents, love, or real friends—just stories.He published his first novel at fourteen. By seventeen, he was a literary star. But the higher he rose, the hollower it felt.Then came the writer’s block. The headaches. The blackout. And the transmigration.Dexter awoke in the body of Daylan, a disgraced young man in a crumbling, medieval world laced with steampunk tech, divine law, and political unrest. Daylan had already failed two of the three sacred Trials—rites that determine one’s magical potential. He was drowning in debt, entangled in plots to overthrow a corrupt Divine Church, and branded a lost cause.With no way back, Dexter took the final Trial—the most brutal of them all—and began a path that would earn him the whispered title: Soldier, Poet, King.But as his powers grew, one question haunted him: Did he truly die? And if so, who—or what—chose to bring him back?