Awe-inspiring character concept of a cosmic void sorcerer enveloped in swirling mist and ethereal smoke, rendered in photorealistic detail with an unreal, octane-like quality. The scene is filled with volumetric fog and radiant lights, casting vivid colors that dance across the wizard's intricate robes, adorned with hyper-detailed celestial patterns. The sorcerer's eyes glow with otherworldly power, while their hands weave spells that echo the mysteries of the universe, creating a mesmerizing blend of reality and the ethereal.