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

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