"But you grew up in a desert -- aren't you used to the heat?" Kanaya's fellow trainees ask every time she complains about the internal climate of the brooding caverns. She does have to admit the system is ingeniously designed, a combination of a natural geothermal upwelling that, as a side-effect, supplies several luxurious hot springs, augmented with some judicious plumbing and vents to improve both air and water circulation, but the point remains that eggs and grubs require water and while she's used to extreme heat, a desert is by definition dry.

Besides, humidity is terrible for fashion.