"The Witchcraft of Ulua" is a short story by American author Clark Ashton Smith as part of his Zothique cycle, and first published in the February 1934 issue of Weird Tales.
According to Emperor of Dreams: A Clark Ashton Smith Bibliography (1978) by Donald Sidney-Fryer, "The Witchcraft of Ulua" was first published in the February 1934 issue of Weird Tales.
[1] Sabmon lives in a house made of bones on the edge of a northern desert of Tasuun.
Amalzain, a great nephew of Sabmon, visits him and he tells that he will be chosen as cupbearer for king Famorgh in Miraab.
Amid his work, he finds that princess Ulua has inherited some of the sorcery from her mother queen Lunalia.