The language of the Sathirian Iksar within the RoK. Can be learned by doing the quest Feathers for Sethis, which is in a series started by the collection A Mysterious Black Tome. The ability to speak Sathirian is needed for the following quests: * More Territory, More Problems * The Saga of Yasva V'Alear * The Broken Hand * The Heart of Treachery * They Have Searched an Age for a Dark Champion...