Ah. So this is more about something else than Delphine herself.

Pushing herself up into a sitting position, Avery gives Cosima a questioning look and says, "Not everybody has to know how to swing a sword around. Sure, there are times when it helps, but as long as you're halfway smart and you don't go running into danger..."

She shrugs. The only time Avery's had to fight at all since she joined the Inquisition was when she chose to leave the keep for a mission.