[Claude knew he was going to say that, which is why he'd tried to dismiss the subject as soon as it came up. But he supposes he's trying to make him feel better, in his own blunt way.]

I promised her no harm would come to her, but I let her walk right back into her own destruction. [He never promised her that Aetós woulddn't hurt her, but still, he feels at least somewhat responsible.] I don't think she was a bad person... It's just another reason we need to stop Aetós and save Vander. Enough harm's already been done.

[He turns to press on. Dwelling on regrets won't help them make progress here, either.]