Mentally Ill? The Real Powerhouse Saves the World

A world where ghostly energy has returned. He is a patient at a psychiatric hospital, and the System failed to cure him. System: Let him do as he pleases. I only provide technical support. Ghost Realm Bounty Board: Ye Fan, male, severe mental illness. Whoever takes his life will receive an increase of billions in ghostly energy, several mansions, and endless support.