The Astilgol are a Northern race; as adults one male and one female will form a symbiotic relationship, resembling a set of floating crystal wind chimes, surmounted by a globular cluster of blinking lights. The Diviner and the Rel are an Astilgol couple; they are the only Well World natives to enter the Well of Souls on their own—everyone else to make it in is either a Markovian (Brazil and the Kraang) or an Entry accompanied by Brazil.