An Unknown scout from Olog's Pact, a.k.a. The Horde, a former member of Bogaolg's group, who asked the party to deal with a Unknown in disguise.
Gasa was first encountered during the events of Of the Hills, our Bones. She traveled with the party during the events of Of the Hills, Our Bones (Part 2) but disappeared after the ritual was performed, to parts unknown...