In the dimly lit, desolate room, the Joker stands before a shattered mirror, each jagged shard reflecting fragments of his twisted visage. The room is steeped in an atmosphere of brooding darkness, with shadows dancing ominously around him, reminiscent of Christopher Nolan's intense storytelling. Dramatic, low-key lighting casts sharp contrasts across his pale skin, emphasizing the lurid green of his hair and the ghastly grin painted vividly on his face. Every wrinkle and scar on his visage is rendered in ultra-high definition, revealing layers of madness and torment etched deeply into his being. The mirror, cracked and splintered, provides a kaleidoscope of reflections, each piece offering a glimpse into the chaotic mind of the villain. The frame of the mirror holds cryptic symbols and hidden details that hint at untold stories and secret plans, rendered in colorful realism that pops against the muted tones of the room. The entire scene is hyper-realistic, crafted with painstaking attention to detail, making every color, shadow, and detail vibrant and lifelike, suitable for a wallpaper portrait of chilling elegance, capturing the essence of horror and madness in 8K resolution.