Nine Nether Dragon Emperor - Chapter 5: Today, she must die! Whoever obstructs me, I shall kill!

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

Just became the disciple with the highest seniority, but the Age of the Dark Mist descended, and the sect plummeted into a land plagued with raging demons.

Shen Changge who had already written his suicide note suddenly awakened to a Check-in System.

[Check-in at Sword Lord Statue, Success, acquired: Empyrean Sword Manual]

[Check-in at Training Ground, Success, acquired: Cultivation Base*50 years]

[Check-in at Sword Clout Mountain, Success, acquired: Sword Clout of Destruction*1s]

…

In the Age of the Dark Mist, demons were rampant, and an impenetrable mist veiled the empyrean. By vanquishing demons, the mist could be dispelled, and new check-in locations could be unlocked. By doing so clandestinely, Shen Changge became a Sword Saint.

When a demon broke into the Empyrean Sword Sect, everyone in the sect was powerless. People were in despair, until they met that young man in white who had just checked in at the Empyrean Peak. The young man’s eyes were ablaze.

“Submit, demon.”

The happiest thing in the world is to be able to amend what you have done wrong. She who acted willfully because of a game, was reincarnated into a time when she still had her parents’ love.

The path of longevity is loneliness, it is solitude, it is the unbearable cold of being at the summit.Reborn in a different world filled with hidden dangers, Song Changsheng fortunately obtains a mysterious Daoist Scripture:Breaking through to Early-stage Qi Refining, he obtains the “Yin Yang Profound Flower Scripture,” absorbing Sun and Moon Essence, cultivating both Yin and Yang.Breaking through to Mid-stage Qi Refining, he obtains the “Breath Concealment Technique,” concealing his aura and obscuring heavenly secrets.Breaking through to Late-stage Qi Refining, he obtains the “Water and Fire Manipulation Technique,” and the world's water and fire become his vanguards.Breaking through to Qi Refining Great Perfection, he obtains the “Delusion-Shattering Pupil Technique” to see through confusion and trace things back to their source.Breaking through to Early-stage Foundation Establishment, he obtains the “Five Beasts Body Refining Technique”...