What little of that he understood from his Latinae Canum Significado lessons has made him more confused than before. Maths counting space folding? Whaa?

...but for now he can buy uses the relics but doesn't understand them, and nods. "Fair enough," he says.

"If there are safe zones in the city... no. We need to press on into the tunnels and camp or we'll never make it, emerge in the morning and travel overland while we can... but the markets will have replenished stock, so we can travel light..."

He's thinking out loud. You may want to preempt him.