He became a representative of the Benefactors to Javali and followed the Western Legion around after the defeat of Stromgarde. Eventually, he was interrogated by Sister Gianata. In return, Andellion planted spies in Gianata's camp, not realising that Hareveim can detect lies. Thus, Morgum was quickly discovered to be a double agent. But not before Morgum could tip off Andellion that Gianata was housing Sister Anazar and Phorcys. Andellion handed the valuable information over to the authorities and activated his Morrow Stone before Gianata could stop him.
When Gianata did confront Andellion, however, she had the Scroll of Lore. Andellion was utterly destroyed.