Just plain slavery.
Dragon Age II. Fenris, Hawke, Carver and Sebastian recover Anders from the Qunari.
Dragon Age II. Fenris, Danarius, Varania. When Danarius comes, there is no fight.
Dragon Age II. Fenris, Hawke and Anders. Post-game, Fenris sickens. A chance encounter with Anders discloses some information on Fenris' making; Hawke takes what seems to be the only option to save him.
Dragon Age II; Danarius briefly broken. Not a pleasant story.
Dragon Age II. Fenris chainsmokes; your lungs are changed forever from your first.
Dragon Age II, Fenris has a child AU. Fenris brings his daughter with him when he flees from Minrathous.