Terreille (pronounced "Ter-reel"), also known as the Realm of Light, is the Realm farthest from the Darkness. Terreille is the Realm most notably held by the Tainted witches Dorothea SaDiablo and Hekatah SaDiablo . Prythian too was a High Priestess in Terreille as well as the 'owner' of Lucivar Yaslana during his time as a pleasure slave.