headcannon + starter ;
due to the puppeteers ghostly form, he is extremely vulnerable to any kind of exorcisms, or paranormal resistance. while watching one of his victims he got himself in quite of a sticky situation . you see , the victims brother was into paranormal things , and the puppeteer did not realize that he began to notice his sisters mental state deteriorating so fast . so he lined the room with salt without the puppeteer knowing , easily trapping the spirit once he decided to watch his victims depression worsen . and that is indeed what happened ; the puppeteer was trapped , and growing weak as the days turned into weeks— will you find him ?