Kyyrah, who held the title Jewel of Xo, was a Sith of male gender. He belonged to the Infernal Council, a collection of Sith who were enslaved by the Rakata warlord Soa. Kyyrah, along with the other council members, was imprisoned alongside Soa within the Eternity Vault located on the planet Belsavis.
The character Kyyrah, known as the Jewel of Xo, is featured as an opponent during the Infernal Council boss fight. This encounter takes place within the "Eternity Vault" Operation of Star Wars: The Old Republic, a massively multiplayer online roleplaying video game developed by BioWare and released in 2011. Kyyrah's appearance is exclusive to the sixteen-player difficulty settings of this operation.