Xion was mostly just trying to get warmed up. Sora might prefer to run in swinging, and there were times on missions where she'd done that herself, but she hadn't used her Keyblade in nearly a year. She needed time to get used to it again.

She'd anticipated his block, and moved back out of striking range easily. The commentary should have been expected, too--she knew that Riku's snark tended to turn into goading during a fight, even if was just sparring. After a moment of surprise she managed to come back with, "Says the one who wouldn't make the first move."