Eberron Revisited - Heroes of Xandrar
Black Dragon of Xandrar Swamp
The party met this dragon underneath the ruined temple of Dol-Arrah in Xandrar swamp. He has learnt much about them.
He knows about Sir Isteval and Xandrar
He knows about Mythras’ family
He considers the party his slaves and has tasked them with hunting down the elemental cults and destroying them.