Professional artwork of jack-o'-lanterns that have sprouted creepy arms and legs, a whimsical yet eerie Halloween scene. Carved pumpkins with expressive glowing faces and twisted vine-like limbs, high quality, ultra-detailed textures, cinematic lighting with warm candle glow against a dark misty background, 4K resolution, trending on ArtStation, a concept art masterpiece. A metallic robot with a skull-like head, spiked arms, and a menacing expression stands on a gray background, exuding a sense of power and menace.