A mystic void arcanist stands shrouded in swirling mists, their silhouette a blend of ethereal elegance and arcane power. The character's attire is intricately detailed, shimmering with otherworldly symbols that hint at ancient knowledge and cosmic energy. Their eyes, glowing like stars, gaze intently into the void, reflecting an infinite depth of wisdom and secrets. The environment is brought to life with volumetric lighting that casts dynamic, ever-shifting shadows, enhancing the mystical atmosphere. Rendered in hyper-realistic, photorealistic quality using Octane Render and the Unreal Engine, every detail, from the texture of the arcanist's robes to the ambient mist, is captured in high dynamic range (HDR), creating an immersive visual experience. The scene is set in an aspect ratio of 9:16, emphasizing the towering presence of the void arcanist against the infinite expanse of their arcane domain.