In the Grey Mountains south of Ubersreik stands Karak Azgaraz, the Hold of Fearless Axes. Black Fire Pass features detailed descriptions of the karak and its occupants, as well as its history and notable grudges.
You can read a preview of Black Fire Pass, discussing Karak Azgaraz, here.
You can read the announcement for Black Fire Pass here.
Enjoy the game! May your beard reach your toes!