Normally Azula was pretty disdainful of people who fought with just weapons-- even cool ones. She saw it as relying on something else to do your fighting for you. Still, in this case, she made an exception; she knew enough about Vriska to know that she was strong and skilled even on her own.

Plus, she liked her. People that Azula liked got plenty of concessions that most others didn't.

"... Impressive." She peered down at the dice on the ground. "Do those come from your sylladex too? Can they do other things?"