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.
Mining in a certain area turns all exposed skin (maybe just parts that are actively disturbing the chemicals that cause the reaction) of the those doing the mining to a dark blue color. Will wear off taking as many years/days spent in the mine. ... meeting a party of blue-skinned humans armed with pick-axes etc. Strange disease? Demon offspring? Curse? If they meet only one ex-worker, they will very carefully listen to any stories he says, no matter if drunken or insane, or just makes up to get a beer.