The Joker stands before a shattered mirror, jagged fragments reflecting his chaotic smile, deep within the shadows of Gotham's underworld. The atmosphere is thick with tension and dread, wrapped in the enigmatic style of Christopher Nolan, where darkness and horror intertwine. A single beam of dramatic light slices through the dimness, casting sharp contrasts and illuminating grotesque details of his smeared makeup and wild eyes. The scene is exquisitely detailed, revealing hidden symbols of madness amidst the cracks. In vibrant, hyper realistic color, every element is captured in stunning UHD and 8K clarity, from the texture of his textured purple suit to the stained, tiled walls behind him, creating a dynamic and haunting portrait that's perfect for a cinematic wallpaper.