[He's certainly grateful that she remembered it when she did. Else this might not have ended too well for them.]

Lucky for us that you know magic like that. [he's sincerely impressed] I feel a lot safer having you around; I couldn't have taken care of them that quickly... [he's curious about her magic, but as he looks her over more closely he notices the weariness] You don't look too good though, did you want to sit down for a bit?

[He will offer his hand if she needs help settling down somewhere-- inside one of these buildings might be safe enough for a brief respite.]