Wekomundo ("Hueco Mundo" or "Hollow World") is the residence of all Hollow and Arrancar. It is and has always been a fairly barren place with little activity aside from Hollows devouring captured souls or devouring each other; however, the emergence of new Arrancar has given rise to plans and schemes involving the destruction of the Soul Society, and most who live here are coming togeher to support those efforts.