 Other supernatural abilities commonly attributed to the kitsune include possession , mouths or tails that generate fire or lightning ( known as kitsunebi ) , <unk> manifestation in the dreams of others , flight , <unk> , and the creation of illusions so elaborate as to be almost indistinguishable from reality . Some tales speak of kitsune with even greater powers , able to bend time and space , drive people mad , or take fantastic shapes such as a tree of incredible height or a second moon in the sky . Other kitsune have characteristics reminiscent of <unk> or <unk> and feed on the life or spirit of human beings , generally through sexual contact . 
