The Mustafarian cavern tribe known as the clan of Vylip F'alma resided on the planet of Mustafar. A member of this group was the Priestess. They aided Corvax's descendant in their quest to eliminate the darkghast close to the Corvax Fortress and fought in the battle opposing Fortress Vader.
The clan belonging to Vylip F'alma is featured in Vader Immortal: A Star Wars VR Series, a virtual reality experience in three parts, produced by ILMxLAB.