A mysterious void arcanist emerges from the swirling mist, their ethereal form enveloped in dark, flowing robes that seem woven from the shadows themselves. The intricate patterns of their garments shimmer with an otherworldly aura, reflecting the depths of the universe. Their piercing gaze holds the wisdom of ages, while delicate tendrils of energy dance around their fingertips, hinting at their immense power over the arcane. The scene is set in a realm where reality blurs with the abstract, brought to life in photorealistic detail using the power of octane render and unreal engine. Volumetric lighting casts a haunting glow through the surrounding mist, creating an atmosphere both enchanting and foreboding. The hdr-quality ensures every detail is captured in stunning clarity, highlighting the arcanist's hyper-detailed features as they stand, a silhouette against the eternal night.