The Most Powerful Villain in the World

What is a villain? Whoever does bad things is a villain? That's too low. Only those who do bad things are called real villains. "What? The halo of the protagonist doesn't exist in front of me." "Being unlucky? It's just commonplace." "Harming the common people? This is just a small goal."... He traveled through time and became a small villain in the novel he wrote, for the protagonist to upgrade monsters in the early stage. It's so sad. Is this a rhythm that can't survive two chapters? Fortunately, I have a golden finger, so let the villain system of the universe help me counterattack in style... Yu Wentian proudly said that I want to be the strongest villain in the universe.