an artistic halloween scene with a grunge aesthetic, mystical grunge halloween art with stylized pumpkin and bats on

halloween artistic grunge aesthetic pumpkin bats geometric abstract distressed textures muted tones dark enigmatic scene spooky gothic night holiday decoration illustration atmosphere mysterious layered elements creative design eerie fantasy haunting vibes landscape magical ominous festive whimsical celebration surreal art unique horror moonlight wallpaper background banner event mystical conceptual artwork ai generated