watercolor painting of a witch looking out the window on a rainy night concept of halloween fantasy spooky figures magic

abstract ai aquarelle art artistic artwork atmospheric background chilling concept dark dreamlike eerie eldritch enchantment fantasy figures folklore generated halloween haunted holiday horror illustration legend macabre magic moody mysterious mystical mysticism night nocturnal painting rain rainy seasonal shadow silhouette spell splashes spooky supernatural watercolor watercolour window windowpane witch witchcraft witchery wizardry