Medium closeup shot of a monstrous skull with glaring red eyes, its mouth wide open as if to devour the viewer, revealing a fractal pattern of endless mouths within, each with sharp fangs, the darkness inside the mouth glows with demonic eyes, piercing through the void, the skull's cracked, weathered texture adds a sense of decay and menace, its sharp eyes glowing intensely in the shadows, the surrounding darkness contrasts with the bright red glow, creating a nightmarish atmosphere, the skull feels ancient and evil, realism pushed to extreme, high res, 8k, cinematic lighting, ultra detailed