A photorealistic character design of a void arcanist immersed in swirling mist, using octane render and unreal engine for hyper-detailed textures. The arcanist's attire is intricately woven with ethereal patterns that shimmer against the dark void backdrop. Volumetric lighting casts a haunting glow, creating a dramatic play of shadows and highlights. The composition captures an otherworldly essence, with an atmospheric HDR effect enhancing the mystical ambiance, ar 9:16.