He's pretty alarmed that there might be something in the woods that can make them hallucinate. Some sort of unknown sorcery that could make the journey extra perilous. Not that he thinks they shouldn't do it, more that he'll now be on high alert for even the slightest thing out of order. Good luck getting him to sleep in between nightly watches.

"That's true, perhaps we'll find a place where the river narrows enough to be able to cross if we continue to the west. When you were out there, did you find that the tablets still functioned? I'm curious if the network will still be reachable if we're too far outside of town."