The palace of this unseen figure is in Inquanok. The king and his companions can be glimpsed riding on yaks or in yak-drawn chariots on the palace paths which climb the slopes. He is the keeper of the archaic father of all the rumored shantak-birds who sends queer, dangerous dreams to the curious observer. (???) See the Lalla Rookh for another veiled one. And Robert W. Chambers' "The Slayer of Souls."
("The Dream-Quest of Unknown Kadath")