Black Tower of the Netheril Nexus

The largest of the three towers is the black tower, and it is off-limits to all except those who are assigned projects. This is where the bulk of the work is done. Like the other two towers it is an obelisk with a round body and a 5-sided pyramid on the top.

Black Land (Few hundred feet from bottom to ocean) Black Tower (apx. 700' wide, 1,500' high)