A photorealistic character design of a void arcanist cloaked in swirling mist, rendered with stunning clarity through octane render and unreal engine. The scene is hyper detailed, featuring volumetric lighting that creates dramatic contrasts and illuminates the character's ethereal presence with hdr precision. The void arcanist stands in a mystical landscape, their gaze piercing through the mist, with arcane symbols faintly glowing on their robes. The atmosphere feels otherworldly and enigmatic, as the mist curls around the arcanist, accentuating their connection to the void. The scene is composed with an aspect ratio of 9:16, adding a vertical depth that reflects the towering and enigmatic aura of the character.