full body character design of a dark souls knight, surrounded by ethereal mist, rendered in photorealistic quality using octane render and unreal engine, exquisitely detailed with volumetric lighting, ultrarealistic textures, 8k resolution, hdr effects, slimming the aspect ratio to 9:16, version 5 style with creative modifications for a fresh yet familiar visual experience, maintaining a dark and atmospheric mood, enhancing the intricate armor details, and capturing the enigmatic aura of a mystical warrior