Aerial view of an intricately detailed colossus royal fortress, set in a mystical dark fantasy realm, CGI-rendered with a focus on depth and volumetric lighting, exhibiting photorealism and extreme detail, hyperrealistic with a complex maximalistic design, towering spires and ornate architecture shrouded in mist, lush ivy cascading down ancient stone walls, illuminated by an ethereal glow filtering through overcast skies, creating an immersive and enigmatic atmosphere.