The crystals? Lambert has no idea what Herbert is talking about, but he'll crane his head over his back, nudging at Childermass gently.

"He's out cold. I can take some of his weight, if you steady him." That's to Syrlya. As for Herbert's inquiry--

"Only his left. I think he was caught while shape-shifted... he was still a dog the last time I saw him. Iron must break the enchantment." A frown. If Herbert had some iron, he could turn himself human again. Naked human, but at least he'd have his paws.