A sinister, malevolent fairy with large, bat-like wings lurks in the shadowy woods, its piercing green eyes glowing ominously through the dense, swirling fog. This nightmarish creature exudes an eerie aura, its presence both demonic and unholy, cultivating an atmosphere thick with horror. The dark forest backdrop is detailed and intricate, every leaf and twisted root contributing to the unsettling ambience. The fairy's grotesque features are captured with dramatic, high-contrast lighting that enhances the sinister shadows and highlights its sharp, claw-like fingers. The scene is photorealistic and cinematic, rendered in breathtaking 8k resolution to capture every terrifying detail, ensuring an immersive and chilling experience.