Digital artwork concept art of a female ninja with a stylized logo on her chest standing poised on a rooftop overlooking a dark dystopian cityscape. She is in a dynamic, fierce pose surrounded by the ominous ambiance of a dark stormy night. The scene is captured in a comics art style, brimming with intricate and detailed features. Dramatic and foreboding lighting cascades across the artwork, as if caught in a long exposure shot. The city's muted, shadowy tones contrast with sporadic flashes of lightning, casting sharp, vivid highlights across her form, enhancing her mysterious, formidable presence.