User blog comment:Omega natsu2/Episode 176: The Dragon King, Review./@comment-17764746-20140405043116/@comment-7418318-20140405075030

Quatro Puppy, Blue Pegasus... yeah, totally not pushovers ^^

But it's quite in-character for Erza to say something like that, after all she also said she wasn't confident about being able to beat Natsu in their post-Lullaby duel.