The Perfect Villain in Martial Arts

What is a villain? Is it the invincibility of the world, Fei Lu's life, or is it the betrayal and separation of relatives, stirring up troubles and being regarded as experience points by the protagonist? In his rebirth, the martial arts villain system was added. Yun Yi could obtain all the villains' skills and martial arts in the martial arts world of his previous life through missions. He suffered a brutal death in his previous life. What he wants to do in this life is to be the most ruthless and powerful perfect villain! If everyone says that I am evil, then I will be cruel to the end! If everyone says that I am evil, then I will be filled with demonic flames! I am the real protagonist, the perfect villain, and anyone who dissatisfied with me will go away... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.