digital artwork featuring a pumpkin guardian under a dark and ominous sky, in a evil creepy realm. generative ai

nighttime pumpkin celebration creativity moonlight ghost dream poster design demon greeting card evil mystery trick creature fun treat cobweb lantern crafts witch generative dark horizontal illustration art jack halloween banner digital concept party night realm candle spooky moon creepy guardian horror thriller holiday colourful cartoon wallpaper fantasy artwork featuring under ominous sky realm