A 21st-century civil servant travels back in time to ancient times and becomes a minor banner officer on the southwestern border of the Yong Kingdom.

He awoke from purgatory to find himself a death row inmate who had betrayed his country.

He managed to escape, but then became an undercover agent for an enemy country.

The long night stretched endlessly, a double agent at work.

From a frontier hell to the abyss of imperial power,

In this endless night where lives are at stake,

Watch as he carves a path to survival on the tightrope of lies and betrayals, step by step, ascending to the pinnacle!

Starting position: A lowly flag officer in the Jingbian Division.

Ending: Awake, I wield power over the world; drunk, I rest on the lap of a beauty; above the throne, I am the only one who reigns supreme!

Lin Xuan: All I want is to have a class, why are you forcing me?

[Invincible + System + Regret + Multiple Heroines + Love Triangle]

In a world of high martial arts, one awakens a villain role system, enabling them to travel to other worlds, play the role of a villain, and extract the talent for playing a villain after completing missions.

...

Task 1: Play the role of the chief professor who killed the female lead's family, take in the female lead as his disciple and carefully train her, but ultimately be killed by the female lead when the truth is exposed.

"My beloved teacher saved me, but I killed him."

Task Two: Play the role of a simp who is unrequited love, fawning over the female lead and framing the male lead, only to be forcefully killed by the male lead in the end.

"Only when you lose something do you realize how precious it is. It turns out that my senior brother is to me what water is to a fish."

Mission Three: Play the role of a remnant of the Sin Clan who infiltrated the academy with the intention of breaking the Sin Seal to release the Demon Sword, but is executed after his identity is exposed.

"It's all our fault. If only we had trusted him a little more... He's not the sinner, we are."

Task Four: Play the role of a powerful hegemon in the Spring and Autumn and Warring States periods, who waged wars to conquer other states, only to die at the hands of his concubines.

"He was a tyrant, but also a wise ruler, and we destroyed this peaceful and prosperous world with our own hands."

Mission Five: Play the role of the mastermind behind an evil organization, relentlessly pursued by the protagonist group, and ultimately sacrificed for his great cause.

"God and demon, good and evil, I can no longer tell the difference..."

...

Behind every mission lies the truth of the world.

Unaware of the truth, Luo Chuan returns to the world of high martial arts with his villainous talents.

The heroines who remained in their original worlds couldn't help but shed tears of regret upon learning the truth.