Strathos, the world, is made up of four sections. The first is the Axis, which is the central spoke. The vast majority of the world is made up of the Disc, which is actually two separate sections stuck together like wafers; the Light Side, and a Dark Side. The outer edge of the Disc forms the fourth section; The Rim.
Rimward is the word used to describe travel away from the Axis towards the Rim.
Regardless of which side of the world one is on, The Rim is considered the Unknown, due to its isolation. Many myths, legends, and stories exist pertaining to the Rim, and many of these tales involve intrepid but doomed adventurers falling off the end of the world, or being taken away by celestial beings for use as playthings.
The lands leading toward the Rim are cold and desolate. On the Light Side, there are often coniferous forests or tundra. On the Dark Side, there is simply tundra or glaciers or barren rock. Mountains often tower at the edge, overlooking the interior. In a few spots, the ocean drains down from the Rim in massive waterfalls, to be collected and funneled back toward the Axis through the center of the planet and belched forth back to the surface from springs within the central continent.
It is said that the lonely towers found on the rim are the retreats of monks who have given up on the world. Some say these monks oppose the lords of the Axis. Some say they call themselves the Children of Gith.
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