User blog comment:FairyRaven/Fairy Tail Chapter 427: Pitched Underground Battle, Review and Commentary/@comment-25152698-20150406211400/@comment-7418318-20150407064242

I wouldn't have minded Avatar being too strong for Natsu and Lucy to take down on their own, so that reviving FT would have more urgency for the sake of the world in addition to the current "Oh it'd be nice to have the gang back together"-reason.