The primary deity of this religion was often depicted in a Phrygian cap slaying a bull.
An important story in this religion may have arisen from the tale of the death of Gavaevodata in a different tradition. Places of worship in this religion have often been found with depictions of lion-headed men with one or more snakes wrapping around them. Members of this non-Christian religion were called syndexioi, or "those united by a handshake" and (*) Plutarch claims that this religion has its origin among the Cilician pirates. Cautes and Cautopates provide the light needed for an important action in this religion carried out by its main god in a cave. The primary deity of this religion was often depicted in a Phrygian cap slaying a bull. For 10 points, name this religion originating in Persia that was popular among Roman soldiers.
An important story in this religion may have arisen from the tale of the death of Gavaevodata in a different tradition.
Mithraism (accept Mithra worship, Mithraic mysteries, or other equivalent answers)