Caverns of Ambuscadia (5E)

From publisher blurb: The silver mines run deep under the Unterbrook, unearthed by the clever hands of an and dwarf and the wealth has flowed like never before. But such wealth tends to draw unwanted eyes, and such excavations to cross powers best left asleep. Recently, all contact with the mines has been lost and a brooding silence settled upon the Unterbrook. Even the goblins shun the region. Plunge beneath the mountain’s roots and learn the mystery of the silvered caverns. This adventure is designed for 4-6 characters of levels 5-6.