ghost floating above cauldron with green smoke

ghost floating cauldron green smoke dark magic spooky ambiance ethereal spectral witchcraft supernatural haunting mystery eerie potion mystical shrouded apparition dramatic atmosphere enchanting fantasy ritual fog effect glow silhouette brew scene tradition legends fright theme celebration halloween visual wallpaper product design background artistic creative paranormal imagery ghostly figure floats bubbling surrounded vibrant smoke enhances perfect halloween-themed visuals