Wall of Power
The Wall of Power is a vast green force field, serving as the northern boundary of the known lands. Who or what controls it is unknown, though in the year 311 AF it did move further north by means unspecified, revealing such areas as Aran'riod, Kamleikan, and the features of the Ishana Peninsula. It retreated again in the year 409, which led to the discovery of the ruins of Morindar.