Aswang, terrifying female creature with gleaming fangs, perched menacingly on the rooftop of a creaking old house, a looming full moon casting an eerie glow in the background, enveloped in shadows, macabre and chilling, steeped in the dark folklore of the Philippines, hyperrealistic, photorealistic, rendered in 8k using advanced unreal engine techniques, 3D render --aspect ratio 9:16 --niji 5 --style expressive --s 400, with an unsettling presence that seems to blur the line between nightmare and reality, her eyes glowing with sinister intent, claws extended, poised to haunt the dreams of those who dare to look.