A close-up portrait of a fearsome, green-skinned demon with glowing yellow eyes. His horns are long and sharp, and his expression is one of pure rage and aggression. The image is rendered in a hyperrealistic style, with intricate details and a sense of depth. The demon's skin is textured and wrinkled, and his horns are jagged and sharp. The image evokes a sense of fear, power, and the unknown. The demon's gaze is fixed on the viewer, suggesting that he is aware of their presence and that they are in danger. The image is a powerful and evocative portrait of a creature from a dark and dangerous world.