Iateesh

The first Teesh that anyone alive can remember was the Iateesh. Glavin, Arm of Heimdal was a member of this Teesh and indeed was the only surviving member of that mission. The others, including his dearest love Nyah (a Dryad of Arborea ) were slain during their struggles. The mission of the Iateesh in 1385 DR (108 years ago) was to discover and prevent the assassination of Mystra, goddess of magic by Shar and Cyric. Unforrtunately The Iateesh failed and Mystra was assassinated by the two evil gods. This brought on the Spellplague -- a 100 year period of great turmoil throughout the multiverse -- and set the stage for The Jateesh.