A common part of folklore is the idea of terrifying demons, lurking in the shadows. Since antiquity, different people and cultures from around the world have told stories of dark forces at work, corrupting and plaguing people’s minds, causing them to do horrific things. You might be surprised by the types of spirits and demons out there. From female demons to devil dogs, there’s a huge list of demons and what they do. Of course, this folklore would have a variety of purposes. Sometimes they were told to children to scare them, and other times people simply believed the demons were real and worshiped them, often sacrificing their children to them as an offering. Whatever the case, the moral of the story was clear – demons were powerful forces that should not be trifled with. Here are 25 Most Terrifying Demons In Folklore.