From Robert E. Howard’s "Black Colossus":
The Kothians had long since abandoned the worship of Mitra, forgetting the attributes of the universal Hyborian god. Yasmela had a vague idea that, being very ancient, it followed that the deity was very terrible. Ishtar was much to be feared, and all the gods of Koth. Kothian culture and religion had suffered from a subtle admixture of Shemite and Stygian strains. The simple ways of the Hyborians had become modified to a large extent by the sensual, luxurious, yet despotic habits of the East.
"Will Mitra aid me?" Yasmela caught Vateesa’s wrist in her eagerness. "We have worshipped Ishtar so long—-"