User blog comment:IamJakuhoRaikoben/Chapter 463: Black Carpet, Review./@comment-7418318-20151123101022/@comment-7418318-20151123151052

@Rai: That might be true for Erza, but Mavis seemed like what I described before to me.

The 'stream translation makes me think even more so, where she says "It might be a gamble, but let's put our faith in Natsu." You don't talk about gamble when you truly believe in someone.