Reawakening: Primordial Dragon with Limitless Mana - Chapter 1: The big day

Qin Guan was reborn and sent back to his final semester in High School 18 years ago. Getting a second chance at life, he works hard to turn things around and eventually become a Prince Charming. What will his life be like the second time around? What will he have to go through? How will he succeed in turning from a loser into a Prince Charming?

This is a story of an ordinary boy gaining unusual powers from his nightmares… It all started when Lin Sheng experienced something strange on what he thought was just another normal day. He begins to have recurring dreams that lead him on an incredible journey of discovery as he encounters spine-chilling monsters and elusive secrets.

- 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.”

Chen Feng looked cautious in the awakening room, lest he had no martial spirit, but was detected to have nine martial spirits, and the audience was in an uproar.

Everyone thought that his martial spirits were ordinary, but they didn’t know that Chen Feng’s nine martial arts were not ordinary plants, but nine divine trees that were unique in the ancient times, and each of them possessed incredible power!

Such a divine tree, as long as one, is enough to step into the peak of the human race, and he has nine!

- Description from novelbuddy