Some articles on varesh:

Guild Wars Nightfall - Plot Summary
... Realizing the danger in the activities of Warmarshal Varesh Ossa (the current Kournan leader), Kormir convinces the Istan council to cease diplomatic talks and instead start civil war to prevent Varesh from ... Istan to Gandara, the largest fortress in Kourna and Varesh's seat of power, to confront Varesh and bring her to justice ... Upon breaking through their heavy defenses, Varesh plays her trump card, summoning the demons of Abaddon which rout the Sunspear troops ...