They should have spoken up sooner and saved poor Harold from certain embarrassment.
A masterpiece of religious architecture and a major center of learning in the last era, The Monastery is still considered a place of reverence, especially for those who love the written word.
The PCs are setting up camp at the end of their first day of walking through the Esh-Inel Mountains, when they hear in the distance a low rumbling, like thunder. It grows progressively louder until it echoes off the mountainous bowls around them, then dies away again. At its worst the ground starts trembling. It happens every day at this time, and it is the noise of the Great Carts on the dwarfish underways returning home after a day mining, laden with many tons of ore.