Achaea
Achaea is the term that refers to the plane of existance upon which Sapience, Ulangi, Polyargos, and other landmasses reside. The Solstar, the Moon, the celestial triad of Noxtra, Somunstra, and Lunastra, as well as other unnamed stars make up the viewable heavens.
There is much contention as to the shape of the land upon which Sapience rests, some claiming it is round, others claiming it is flat. The Great Barrier, an enormous wall of energy that blocks passage at a certain distance in all directions. The argument was settled by Sarapis, however, when He proclaimed that Achaea was indeed round.