The yak buttery is a place on the Mountain of Time where owls harvest yak butter by milking the female wild yaks, fermenting it and shaping it into blocks. Yak milk can be obtained freely from the yaks but the difficulty of the process of making the milk into butter gives it a high value. Yak butter is often used as a source of light, but its flammable content allows it to be used to fight and worship the many faces of Glaux. This place it located in the Mountain of Time.
