There are and will always be abuses in the Circle. Beware a woman's blood magic. We don't do tender.

Everyone knows that there are no free mages under the Qun. The Ben-Hassrath know that there's nothing more useful than a fact that 'everyone knows'.

After they're captured by Red Templars, Vivienne saves Blackwall from rape.

The blood spurts and streaks sharply across Cole’s face, landing on his tongue, salty and sweet and coppery, before it pools and spreads, steaming, shimmering, a stark slash of red staining the once bright whiteness of the snow. With each stuttering throb of an increasingly desperate heart, Cole’s own heart beats faster, white-hot heat pooling low in his stomach, the ache stealing his breath.

Anders: So, there must be mages in Tevinter that don't use blood magic. Fenris: Of course. There are slaves. The magisters do not hesitate to collar their own kind. --- Or, the one where Danarius finds out about the blood magic ritual his long time enemy Halward Pavus is planning and things go even worse for Dorian.