A compact, high-tech grappling device with a sleek, angular design, featuring a dark matte black finish with subtle blue LED accents. The gun has a robust, ergonomic grip and a barrel that houses the grappling mechanism, which includes a visible coiled cable and a small, glowing retractable hook. The surface has light weathering and battle scars, indicating heavy use, with intricate panel lines and vents for a high-tech appearance. The color scheme is primarily dark with vibrant blue highlights, staying true to Batman's iconic aesthetic.