The mysterios "pit of Ilvir" is reputed to be the home of Hârn's most bizarre inhabitant, the deity Ilvir. The fetid pool is said to be the breeding ground of the Ivashu, the god's strange creatures, and it is the final destination for many Ilviran pilgrims. This article includes two color maps, one of the pit itself and the other of a nearby Ilviran temple complex. Interior plans of the temple, and extensive maps of the caverns beneath Araka-Kalai are also included. Details on the geography and history of the area are dealt with, and information on the Ivashu and the enigmatic Dark Order is also given.