Slay the Gods: A Villain's Self-Cultivation

What should I do after entering a world beyond Slay the Gods and becoming a villain? What if the protagonist's group comes after me?

And what if I accidentally get hunted by the protagonist's group?

Let's hear Feng Qingling answer these questions one by one.

Feng Qingling: How should I know? I followed the Villain's Guide, but nothing seems to work!