eerie creature; towering slender humanoid standing unnaturally tall; skin pale gray with cracked marble-like texture, faint violet veins glowing beneath; elongated arms with bony clawed fingers tipped in blue glow; faceless head with a vertical slit of eerie white light; back marked by spiny protrusions like fractured bone wings; digitigrade legs with taloned feet barely touching the ground; tattered spectral robes drifting like smoke; aura ghostly, mystical and terrifying, whispers of lost souls; extremely detailed, high resolution texture, epic stance; colors pale gray, violet, ghostly blue and shadow black