A terrifying dark fairy with sinister wings lurks in the eerie woods, its menacing green eyes glowing ominously through the thick, swirling fog. With its demonic and unholy presence, this ghastly creature exudes an unsettling aura of horror. The scene is drenched in dramatic, shadowy lighting that accentuates the intricate and detailed design of the fairy's ghoul-like features. The atmosphere is cinematic and photorealistic, capturing the nightmare in stunning 8k resolution.