Diassa is the sister of Essiria Wildheart. They are both members of the Blood Thorn resistance cell that operates on the border of the darkening woods in Erethor and the Westlands. After freeing some prisoners destined to become slaves Diassa spotted Nara wearing Essiria's family charm. Nara was truthfull and sympathitic about what had happened to Essiria which impressed Diassa enough that she provided supplies and information to the group. Diassa was encounted later on the high road where she and another had been ambushed by orcs and killed. Diassa had risen as a fell and she was killed by the party in an emotional confrontation.