Ghost Hunting with a System

He opened his eyes to discover that he had transmigrated and been reborn, but the world seemed to have undergone a terrifying change. A ghost came knocking from the start, and he bound himself to the strongest ghost-catching System. He could grow stronger by provoking ghosts!

So much negative emotion is generated every day in the world. Where does it all go?

The Heavenly Dao can weaken, too. If it grows strong again, will it still be the same Heavenly Dao as before?