Zien

Zien is a universe of the esture of Usm, filled mostly with solid stone. The mounds of Zien are hollows within the stone substrate, although due the laws of physics in the dition their concave nature is not obvious to their inhabitants.

This page is a temporary stub, because the concept that it covered came up enough to be worth explaining but we haven't had time to write a full article about it. It will eventually be replaced by a more in-depth article.