Max had to stagger away a few more steps then he turned his flashlight off and was barely visible bending forward. A second later, he was violently sick, or at least that's what it sounded and smelt like. "it's OK, it's important I suffer," came a queasy voice.
A minute or so later, a pale faced, slightly dizzy Max staggered back. "OK, you all might remember that in the book The Lord of the Rings, there are these crystal ball type magical things called, umm, palantirs."
"There's only a few and they're scattered and hidden. But they can be used to communicate with each other. Maybe the mirrors work like that? Something is communicating using them. The palantir things were bad news, as I recall."
"Maybe we just keep walking? Unless someone wants to try to talk with whatever that was? Ugh..."
