MTL - I Am Immortal In The Cultivation World - Chapter 12 green forest hero

Lu Xiaoran has traveled to a fantasy world and received a system, but the useless system has not been activated for a long time. Lu Xiaoran, who had no choice, could only cultivate in a low-key manner and grow steadily. However, after Lu Xiaoran had become the strongest existence in the entire sect, the dog system suddenly activated.

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

I traverse along the pathway of darkness and imagination…

Entering the realm born by human imaginations…

Challenging Harry Potter’s magic, commanding the great Pirates of the Caribbean.

Terminating the Terminator’s strength, tearing apart the Matrix’s Hallucination.

Virus is my slave.

Endurance my inheritance.

Growing and hunting in the boundless universe.

Breaking through boundaries in a mysterious space.

Desiring evil, conspiracy and betrayer. Who can redeem what was already lost?

In a battle of demons, who can leave an immortal legacy?

A declining Trump card, Final evolution!

I’m… on a journey!

We are one!

- Description from Novelupdates

Soldier King Li Qiang, who was part of the Special Forces ace army's Winged Dragon commandos, had accidentally broken the relationship between his fiancee and his adulterer and had lost his life because of this! Under the effects of the treasure, he was reborn as a normal high school student, and actually discovered that the school beauty, Lin Ya Shi, was the daughter of his fiancee and his adulterer. In order to take revenge on his enemy, he used the opportunity to get close to the Lin family while the school beauty was his bodyguard, but he discovered that a huge crisis was approaching everyone …