Caravan

Caravans leave from Zenres to Karak Azgal. They are secretive so as to keep their routes hidden from bandits and the like. They deliver both people and goods to Karak Azgal. 
Dotri Gutreksson runs a caravan. The party used this caravan to get to Karak Azgal but were ambushed in a cave on the way.
Dotri's caravan is tendered by mostly dwarfs but some humans. One of those humans was Hildemar Hauck.