[The Batman's eyes narrowed as the rat Nox inexplicably had its attention caught by something to the left, and when it ran off he slowly moved forward, until the rat was quite suddenly flying past the alleyway entrance.]
[Even if the Batman hadn't had sharp enough hearing to catch that whine and the heavy breathing, the way the rat had been thrown was enough to make it clear he wasn't alone.]
[Casey would hear a sharp wshht! followed by a metallic clatter, as the Batman suddenly turned and used his bat-grappler to reach the top of a nearby fire escape.]
no subject
[Even if the Batman hadn't had sharp enough hearing to catch that whine and the heavy breathing, the way the rat had been thrown was enough to make it clear he wasn't alone.]
[Casey would hear a sharp wshht! followed by a metallic clatter, as the Batman suddenly turned and used his bat-grappler to reach the top of a nearby fire escape.]