Eerie malevolent fairy with dark, tattered wings lurking in the shadowy depths of the forest, piercing emerald green eyes glowing ominously through the heavy mist, exuding an unsettling, demonic aura. The atmosphere is unholy and spine-chilling, filled with intricate and sinister details that evoke an intense sense of dread. Dramatic, cinematic lighting enhances the horror, rendering a photorealistic, haunting vision in 8k resolution with a tall, narrow aspect ratio, capturing the fairy's terrifying presence in the nightmarish woods.