jack o lantern pumpkin and the witch is concocting poison in a magic cauldron, object on white background

autumn background black boiled carnival cauldron celebration concept concocting creepy culture cute decoration decorative doll elements evil fall fantasy fear festival festive ghost gothic group halloween happy holiday horror isolated jack lantern magic mix mockup mocup mystic object october orange party poison pot pumpkin realistic region scary season seasonal smile smoke spooky three treat trick white witch witchcraft