Nightwing was at the edge of the roof a second after her, long-ingrained instincts kicking him into work-mode and scanning the streets below for whatever had disturbed the quiet of the night. When it turned out to be nothing, though, he just shrugged and sat, legs dangling over the edge of the building.
"Heard there was a scuffle over at Arkham the other night," he said, mostly curious how it had turned out. He hadn't gotten the chance to check up on the story.