River Styx

{{Geography|hasDescription=The River Styx is the river of the Underworld from Classical Greek myth. It appears in several games.

Planescape Setting
The River Styx winds its way through the Lower Planes

In the Abyss, it flows through several layers.
 * In Pazunia, its turbid waters are oily and purple as a bruise.
 * In Thanatos, chunks of solid ice float upon an impossibly cold crystal clear surface.