Originally Posted by Frozen Fireball
Well, hearing is like sighting. It improves detecting enemies as a red dot on mini-map.
I thought there's no way to free them. But I saw the last post of this thread: ( Some minor spoilers )
in Larian forums which says if you don't kill the soldiers and then kill the wizards later in the game , they get free. Although you could use the XP you get from killing them.