Masteria Online: Shattering the Dark God's Grand Scheme - Chapter 65 - Consideration

Returning to the Mysterious Era features a boy who can time-travel back to the past using old relics. The twist? He’s stuck in the body of the relic’s owner.After a near-death experience, Cassius unlocks his ability to travel to the past in the body of Li Wei, a member of the Wind Elephant Sect. Li Wei was a coward who lived a life of regrets up until the day the entire Wind Elephant Sect was mu*dered. As Cassius relives Li Wei’s past, he makes different decisions to show Li Wei a different kind of future.By living out the ups and downs of Li Wei’s life, Cassius is introduced to the world of Covert Martial Arts, ties that run closer than blood, and supernatural forces. Crossing the line between the ordinary and supernatural, he realizes there’s no way back. New friends and enemies slowly integrate into his reality.Now, he must uncover the secrets of Covert Martial Arts and get stronger to survive.

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

This is a world where science and magic coexist.

Some people here seek powerful magic, and some seek eternal truth.

A science tyrant who came from another world, started as a little librarian, with magic in his left hand and truth in his right, kicking the door of the new century with one kick.

Some people call him the forerunner of magic, some say he is the founder of science.

Some people describe him that way.

In the new century, Blair is a symbol of evil.

- Description from novelbuddy

The world has changed, evolving into a game-like reality with mana, classes, and deadly battles. Here, death is final… except for Sora Hashino. After betrayal by a childhood friend, Sora awakens [Prestige] [Prestige : When activated, all levels and skills revert to zero, allowing for a fresh start. Become stronger and get twice the experience every skill activation.] Death is no longer an end; it’s a new beginning. Driven by revenge, Sora’s journey to power has only just begun. What to expect: Rapid, high-stakes growth Story twists and a deceptive plot Daily releases Intense, fast-paced action Late-stage world-building, solo MC in early chapters Multiple identities and hidden motives A unique job and mistakes in the choices for the MC