Character concept of a cosmic void sorcerer, enveloped in swirling mist and ethereal smoke, photorealistic design with an unreal octane render quality. The scene is immersed in volumetric fog and dynamic lights, showcasing vivid colors against the dark cosmic backdrop. Hyper-detailed textures adorn the sorcerer's robes, which shimmer with stardust patterns, while their eyes glow with otherworldly energy. The atmosphere is mystical, with a cosmic infusion that suggests both the unknown and the infinitely vast universe.