The Flume Warrens are a volcanic region of Sekamina, the middle layer of the Darklands. It is located beneath Varisia's Cinderlands, and is constantly filled with smoke and gas. Volcanic activity from below has carried deposits of gold and gems close to the surface here.
The Flume Warrens are inhabited by warring tribes of azer and salamanders. Both sides are seeking to gain the aid of the fire giants of the Mindspin Mountains, which the giants exploit for their own benefit. There are also thoqqua and magmin living here.