A sinister fairy with ethereal wings lurks in the dense forest, her eyes glowing an unsettling shade of emerald. The air around her is thick with an ominous fog, enhancing the demonic and unholy atmosphere. Her appearance is haunting, steeped in horror and darkness, with intricately detailed features that captivate and frighten. The scene is bathed in dramatic lighting, casting deep shadows that emphasize the fairy's malevolence. Photorealistic and cinematic, the atmosphere is both enchanting and terrifying, capturing every chilled breath of the forest in 8k clarity.