The Blackmoat is the ancestral home of the Setna brotherhood. Located 100 miles northeast of the Nauhinir, the Blackmoat was originally a complex drilling installation built by the Ancients. Though the oil-drilling operation is still very much ongoing, the Setna who were entrusted with the knowledge to operate the platform have lived there so long that they consider it theirs.

More a fortress than a castle, the Blackmoat has a massive central tower of iron and stone shaped like a wheel,which also moves, called simply the Turning Tower, with 4 smaller towers surrounding it. The smaller towers are stationed according to the compass.