When the party went to explore the Easthaven Ferry, they discovered a 4 sleeping bags, a supply pack, and a Map within it's deckhouse. A Duergar hid invisible in the corner. Grim, with his Robe of Eyes, easily saw through the deception and pounces atop the creature, disabled him and held him to be questioned. With sinister intent, the Duergar reveals he is the son of a powerful Duergar by the name of Inconnu. He also references a plot to destroy the Ten Towns. The party killed him. Eydis brings Imdra Arlaggath, back to the Ferry.
The Mission: Stake Out at night and find out who the other sleeping bags belong to.