Aerial perspective of an intricately detailed colossal imperial fortress, inspired by a dark fantasy realm, featuring sophisticated CGI elements, dynamic depth of field, breathtaking volumetric lighting, photorealistic textures, and hyperrealistic detail. The architecture is complex and maximalist, incorporating towering spires, intricate stone carvings, and expansive courtyards, all enveloped in a mystical aura. The scene captures a blend of shadow and light, creating an ethereal and otherworldly atmosphere while maintaining the grandeur and majesty of a royal castle landscape.