"Uhhh hey Papyrus that looks like it's prepping for-" Serge is cut off, unfortunately, by the laser that scythes across him, prompting a gasp of pain.

Locally, there's something like a tape rewinding, as [Time Slip] restores him to the state of a few seconds ago. "Papyrus! Don't do the thing- ah, crap, it doesn't work like that-"