"Yeah," says Magnus promptly, pulled back from asking who won at learning by Lancelot's question. "First of all, you should both fight each other and Jack at the same time. Second of all, I need robes. It was easier to track Lancelot's moves," and this is probably not just because they're more familiar to him after their months of dedicated training? "And harder to tell what Hanguang-jun was doing underneath them." He squints at Lancelot. "That's the times he surprised you, right? When his clothes were, like, billowing?"