horror and halloween concept - bats flying over spooky woods

all allsaints animal art autumn bat bats cartoon celebration chilling concept creepy dark darkness dead dense drawing eerie event evil fall fear flying folklore forest fright frightening ghostly guising halloween hallows haunt haunted holiday holidays horror illustration lost magic mysterious night november october ominous over pagan paganism paranormal party poltergeist saints scare scaring scary season seasonal silhouette sinister sketch sorcery souling spell spellbinding spooky supernatural terrifying terror thick treat trick uncanny vigil walpurgis wings winter witchcraft wizard wizardry woods