Then you are lucky. The other kingdoms in the North of Thedas pretend at emancipation, but more slaves in the Tevinter Imperium come from their lands than from Tevinter itself. [ Alright that's a slight exaggeration but HE'S JUST A TAD BITTER ABOUT IT.

See Anders, real actual slaves, not mages in comfortable, tall circles getting well fed and even more well educated and being forced to do not a single moment of hard labor in their lives. ]