What is a JinnDjinn (singular jinn, plural djinn) are spirits that reside in deserts or other unclean places. They can take the forms of animals, people, and they can even turn invisible. In Arabic, the word Jinn comes from the verb Janna, which means conceal or hiddenNot all djinn are sinister or malevolent spirits. They can be useful and even mean well when they interact with you.Djinns are believed to be made up of a smokeless mix of fires and energy. This might mean they can be detected by