This coloring page is truly unique! In the center of the drawing is a blue and white Batarang soaring through the sky, with the classic curves symbolizing Batman's beloved weapon. Below, a dark and mysterious figure stands in the foreground - the Joker, dressed in a suit of purple, a green shirt, and a white collar. His face is colored white with black circles around his squinting eyes, and his hair is a wild green. To bring this image to life, I would use a range of lights and darks on the Joker, creating shadows and depth in the details of his face and clothes, while emphasizing the vibrant colors of his costume. The Batarang should be colored a richer blue, with the white lines emerging from it giving the impression of a superhero-inspired illustration. Finally, the cityscape in the background can be filled with various shades of brown and gray, creating the shadows and shadows of a night-time landscape.