Aerial perspective of an intricately detailed colossal imperial fortress, set in a mystical dark fantasy realm, showcasing complex architecture with a labyrinthine design, bathed in ethereal twilight with volumetric lighting; hyperrealistic textures and photorealistic details create an otherworldly yet tangible experience, where shadows play across vast battlements and elaborate spires, capturing the majesty and mystique of an enigmatic, otherworldly sanctuary, set within a grandiose landscape that enhances its majestic maximalism.