Crumble

A whiskey made from apples. Served in tiny wooden cups. Causes very bad hangovers, and must not be served in metal cups (it reacts with impurities in metal, causing arsenic compounds to form in the drink). Called crumble in Mordent and flog in Darkon's Vale of Tears region. It's likely that the Mordentish version is the original, and that it was imported to the Vale of Tears due to a Mordentish brewer being claimed by Darkon.