Six hexes north of Alakran.
To contemporary people in Dulsharna, Nathrak is a noted and notorious ruin, the palace of the long-established Dezhen-El family. In the last generation the family was condemned and dissolved for their well-known embrace of necromancy cults; the walls of the upper structure of Nathrak were torn down from their foundations, but these were the least important rooms of the vast underground complex beneath.
Nathrak was the largest "dungeon-like" environment of the campaign and is an adaptation of Jennell Jaquays' classic Caverns of Thracia to the setting. Below the spoiler cut is a timeline of the various cultures and factions in my world that contributed to Nathrak, linking them to the protagonists in the original module.
This Goat is summoned through a variant of 