Ancient sculptural demonic female angel, Rucifer essence, blending gothic and baroque style, adorned in a flowing veil dress, six expansive wings unfurling, a fallen angel crowned with a shadowy halo, poised within a vast gothic cathedral, intricately ornate and detailed in low contrast. Capture the essence of Guillermo del Toro's style, a full-body portrait that is hyper-realistic, sculpted with precision in Zbrush. Display from an epic perspective, employing the cinematic details and lighting reminiscent of an octane render. Volumetric light accentuates the photorealistic composition, rendered with the prowess of Unreal Engine 5 in an 8k output. Crafted as an art sculpture with elements of bone, demonstrating ultra-detailed technical precision, guided by the rule of third, set within a dark, epic scene showcasing planet Earth illuminated from behind.