Lambert just swooning like that is a bit much for Papyrus, and he spends a few panicked minutes trying to remember the signs of imminent dying in humans. Unconsciousness and bleeding are both pretty high on the list, he's sure of that much! It's just one more scary moment in a day of too many of them!

After panic leads to action, Papyrus gets Lambert brought into the temple, checked out by people who know more about fae-influenced humanish physiology, and stabilized to the point of healing. It's slow and mostly natural, only encouraged by the crystals, but it's better than lying outside. And for Papyrus' nerves, it's a good time to take a breather inside. Circle around checking on Reira, Lambert, and any others - and see that they're all actually stabilizing.