It is well know that the farther down one travels from the Hive the colder it becomes. A lesser know fact is that the further outwards one travels from the collective warmth of the Hive the colder it gets also. In roughly a NW direction from Dust Falls the huge domes and caverns so far out that they are no longer truly part of the hive are so bitterly cold that the darkest holes of the sump seem warm and welcoming by comparison. This region is know to its inhabitants as The Chasms...