hyper-realistic dark fantasy: a black leopard stalking its prey, barely visible in the dark except for its ((glowing yellow eyes)), surrounded by thick, oppressive darkness, faint moonlight casting eerie shadows, muscular and sleek body blending into the night, intense and menacing gaze, predatory stance, faint outline of sharp claws, dark and foreboding atmosphere, subtle details of fur and whiskers, sense of imminent danger, highly detailed, ultra HD, 8k, intricate details, masterpiece.