This area is located directly on the rooftop of The Undercity. It is the home of the Jade Brotherhood, while The Undercity is the Am Fah's home. Various other creatures inhabit this explorable area including Mantises in the northwestern section, Vermin in the western area, and a settlement in the northeast called The Roost, which is the home to NPC Tengu. This area is initially locked (see Wajjun Bazaar). To enter it, you must complete the Nahpui Quarter mission.