Under the command of Erza, the members who discovered the truth about the dissolution of the guild, go to the mainland Alvarez to help the sixth master of the guild, Makarov.

Brandish, of Alvarez's Army, meets Natsu and company on the Caracole Island. Her power is so strong, that extinguishes the completely island. Meanwhile in Alvarez, the Emperor Spriggan returns to the Empire.

The wizards met with Makarov and now have to escape from the Alvarez Empire. However, Azir, the King of the Desert and one of the Spriggan 12 is behind them.

Mavis finally reveals the secrets of her past, including her connection with Fairy Tail, Zeref, and her own sin. The ever-turning gears of fate offer glimpses of hope, but also produce one final, tragic contradiction.

The "miracle" that Mavis and Zeref create, has evolved into a powerful form of magic that must keep in secret. Mavis is still regretful for her sin, but the wizards of the guild try to cheer her up. The Alvarez Empire prepares to approach to Ishgar!