I feel like this arc was resolved a bit too easily. However, I appreciate the moments we got with Natsu and Gray. Those are always enjoyable. Lucy has gained another rare key. It will be interesting to see her use them in future battles. Fairy Tail has been attacked by a rogue guild, so I guess we'll find out more about what's going on there next volume.

You would think there would be more consequences for a guy like Lyon for trying to set a calamity monster free. But hey, at least he might find some use for those powers of his and join a guild.  It was interesting to find out that there is just a village of demons living in this place.