[Well, Jade doesn't know this lady at all, really. But she seems a lot more helpful on this 'eres' stuff than the other lady.]

I see. It's expected that there's not always those who are capable of wielding such talents. So as far as you know, the two types of erens are mutually exclusive? But the crystal eres contain both elemental and healing abilities... [It sounds more convenient than fonic artes. But he doubts that they're better.]