A terrifying Aswang, a grim and menacing female creature with sharp, glistening fangs, crouches ominously on the roof of a dilapidated house. The full moon casts an eerie glow behind her, silhouetting her haunting figure against a backdrop of swirling, dark clouds. Her eyes gleam with a sinister intelligence, reflecting the macabre essence of Philippine folklore. The scene captures the chilling atmosphere of horror, rendered in exquisite hyperrealism with intricate details that blur the line between reality and nightmare. The surrounding landscape is shadowy and foreboding, enhancing the spectral ambiance. The image is crafted in ultra-high definition, 8k quality, using unreal engine for a lifelike 3D rendering, and carries a distinct expressive style that conveys the folklore's enigmatic terror.