Fairy Tail 430 see’s Gray, Natsu and Happy going ahead to try and stop Avatar as they begin their Operation Purification task which requires to kill lots of people in a town to bring them closer to Zeref. On top of this, we see Erza also get ready to bust in as she arrives at the other part of Avatar as all four begin their attack on the plans belonging to Avatar.
Fairy Tail 429 gets into gear as Lucy nearly gets cut in half when Gray shows up to freeze Goumon just before he’s cut in half. It seems that all this was in fact Gray’s mission as Erza and Gray have been in contact all this time trying to infiltrate Avatar in order to crumble it in from the inside.
Fairy Tail 428 focuses mainly on the battle which has begun between Natsu and Gray, as they begin to pummel each other however members of Avatar intervene and hurt Lucy giving them the chance to stop Natsu’s rage. On top of which Gajeel joined by Lily and Levy are part of the council who begin to get ready to stop the Purification process by Avatar.