halloween scene with a haunted house, pumpkin, and bats against a full moon. spooky holiday concept. for poster

ai autumnal bat bats card cartoon castle celebrate concept creepy design drawing event fall fantasy festival festivity flat flyer generated ghost gothic graveyard greeting halloween happy haunted holiday house invitation lantern layout magic moon mystery mystical night october palace party poster pumpkin pumpkins scene seasonal silhouette simple spooky stars symbol template tower tree