Greatest Antagonist System

What is a Villain and what is a Boss? Maybe he’s the fearless ruler of the world. Or maybe the worst enemy of humanity, who tears worlds down.
After Su Xin was killed and wished in his last moment, to rather than dying while saving someone only to be condemned while failing, to become a Great Villain.
And as if by a miraculous chance was his last wish heard and he was granted the Greatest Boss System after being reincarnated.
With this System Su Xin gained now the ability, to earn all kinds of Martial Arts and Cultivations of Villainous BOSS characters from his previous Worlds Wuxia(Martial Hero) stories.
“My name is Su Xin, and I am a man of my word. “