Hyperrealistic digital illustration featuring glowing complex details of a skeletal demonic priest with an ethereal glow emanating from fiery eyes, ((flying sparks:1.4)), sharp blood-stained teeth and fangs, surrounded by a spiky metallic halo and ornate headdress, contrasting dark shadows and harsh lights accentuating the surreal and eerie textures, the background blurred with floating embers and a golden ominous atmosphere, with complex bone structures and subtle cracks woven into surreal, haunting and intimidatingly fine details permeating the entire image.