hyperrealistic mixed media art of a silhouette of a hero with a broadsword facing massive ornately carved lush iron castle gate with its top in the heaven in winter storm at night, aurora borealis in the sky, low angle, stunning 3d render inspired art by renato muccillo and andreas rocha and johanna rupprecht + symmetry + natural volumetric lighting, 8k octane beautifully detailed render, post-processing, extremely hyperdetailed, intricate complexity, epic composition, mystical foreboding atmosphere, cinematic lighting + masterpiece, trending on artstation