The Vigil

The Vigil were a band of people that had been monitoring the elemental plane since the death of Agatheis. Known members are Seril, the Shastaan merchant, Ryina, the cook from Adryn's Keep, Rhuhu, of Luman Village, Salyn, the village guard of Ka'doloki, Joshua, carpenter of Delos, and Tiamenjiara,the court conjurer of Zanzibaar.

In the year 758 AF, the Vigil decided to use the powers of the elemental planes by sacrificing themselves to access the elemental plane. Unbeknownst to them the ritual they performed lead to the release of Pazuzu from his crystal prison in Kasmirkan

There symbol is the ivory lighthouse and they represent the elements in some way.