Nirvana’s claw scratched Ragna

"Cut it out, Rabbit. If you're going to keep muttering to yourself like that, I'm leaving. I can't keep up with this forever." Ragna spat out in disgust. Standing in the street corner and having endless, meaningless conversations was not his idea of a good time.

Frustrated, he roughly wiped his sweaty cheek. Blood stained his black glove. It was a scratch from Nirvana's claw. It was only a shallow cut, but the blood wouldn't stop. Was there something special about those claws? It was creepy.
- Blazblue: Calamity Trigger Part 1 Chapter 4