Demons

In the Christian faith, demons are originally those angels who have disobeyed God and joined Lucifer (Satan) in his war against Heaven before he was cast down by the Archangel Michael. They are the primary antagonists of the Conjuring Universe and are known to take hold of weak-willed victims, who may have invited them in through various means, in order to cause chaos and havoc in the world. Some notable demonic entities that are seen throughout the films include Valak, also known as the Demon Nun, and Malthus, the infamous Annabelle doll spirit.