Full body shot of a void arcanist character design, enveloped in swirling mist, showcasing a photorealistic aesthetic with octane render quality, utilizing unreal engine technology for hyper detailed textures and volumetric lighting, set in a mystical fantasy realm with ethereal elements. The scene captures the enigmatic presence of the arcanist, with intricate patterns and shimmering sigils etched into their robes, their eyes aglow with arcane energy, and wisps of dark mist trailing their movements, adding a sense of mystique and otherworldly allure to the character.