A man in a black suit is flying over a city

Here's an optimized prompt based on Stable Diffusion: "Expertly executed, high quality render of a dynamic, action-packed scene featuring Nightwing. He's seen acrobatically flipping towards the camera in a confident and stylish pose, emphasizing his sleek and powerful movements. Projections of Gotham's skyline loom in the background, adding to the atmosphere of the piece. Stunning and detailed lighting and shadow effects are used to accentuate the dramatic mood of the image."

(nsfw:1.5),ugly, nail polish, (mutation:1.3), (deformed:1.3), (blurry), (bad anatomy:1.1), (bad proportions:1.2), out of frame, ugly, (long neck:1.2), (worst quality:1.4), (low quality:1.4), (monochrome:1.1), text, signature, watermark, bad anatomy, disfigured, jpeg artifacts, concept art