I Mess Up the World

When the world becomes a movie, a novel, a story. And you, are the person who designed this world's plot, all the plots you designed, will be realistically realized in this world.What would you do?Turning modern society into a mythical world? Become a world of magic?Or perhaps, it could even become a world where cultivators roamed freely? Or was it a shattered world?Here's the pen, please.