[His expression is all kinds of grateful. Even if she were not a stranger, it's not a comfortable subject. He's happy to move on to something else.]

Oh, sure! [And if that something else is rattling off his knowledge of something, even better.] They're made from re-animated matter and usually serve as labor. But a strong abomination witch can utilize them for combat or turn their abomination matter into weapons or shields. It can even be used for teleportation.