The Mark of the Moon

The subterranean aqueducts beneath the Fortress of Iron and Ash were a triumph of ancient stone engineering, constructed eight centuries earlier by the founding stone-masons of the Blackfang Pack. Massive subterranean cisterns, carved directly into the solid volcanic granite of the mountain's roots, received the pristine runoff of the Morteratsch glacier through miles of underground conduits. From these vast reservoirs, fresh water was gravity-fed through lead-free bronze pipes to every…