Wei Wuxian lifts a hand to scratch uselessly at his chest again. The irritation is significant, but even more troubling is the sensation that he can't seem to get enough air. He'd thought himself merely exhausted, but his energy isn't returning at all.

"I'm tired, Lan Zhan," he admits. "I want to cough but I'm afraid it will hurt too much. Each breath hardly seems to make me feel any less breathless."