A young adult female shinobi superhero named Green Shadow Rachel, slender athletic build, confident heroic stance, brown hair tied in a high ponytail, striking blue eyes, wearing a dark green strapless and shoulderless superhero leotard, long dark green gloves, long dark green boots, dark green half mask covering her face from the nose down, carrying a pair of antique master-crafted katana swords, elegant ninja warrior aesthetic, stealthy superhero design, cinematic lighting, dramatic green shadows, highly detailed fabric texture, realistic anatomy, dynamic pose, rooftop at night, moonlight, mist, subtle glowing green accents, action fantasy concept art, sharp focus, ultra detailed, high quality, 4k, comic book cover style, heroic composition, dramatic perspective, clean linework, premium superhero character design