A mysterious void arcanist cloaked in swirling mist, their form partially obscured by the ethereal fog. The scene is hyper-detailed with photorealistic textures, rendered using octane and unreal engine to enhance realism. Volumetric lighting casts an otherworldly glow around the character, creating dynamic shadows and highlights. The setting is rich with HDR effects, capturing the depth and intricacies of light as it interacts with the mist. The composition is cinematic, in a 9:16 aspect ratio, capturing the enigmatic presence of the void arcanist poised as if manipulating the very essence of the atmosphere around them.