Arc 20The Alvarez Invasion
Fairy Tail brought Makarov home and defended Fiore against the Alvarez Empire and the Spriggan 12. After Irene rearranged Fiore and sent Riyao away with Acnologia, he returned and guided the scattered guild members toward Magnolia.
- Riyao and Fairy Tail escaped the Alvarez Empire with Makarov and returned to the guild.
- Riyao sent Mavis back to her body, and she prepared Fairy Tail for the invasion.
- Fairy Tail fought the invading forces across Fiore and defeated several members of the Spriggan 12.
- Riyao confronted God Serena, August, and Irene while versions of him from the past and future intervened on other battlefields.
- Zeref revealed that Natsu was his resurrected younger brother END, and Igneel carried Natsu away from their fight.
- Riyao told Irene that Erza was her daughter and revealed to August that Mavis and Zeref did not know he existed.
- Irene rearranged Fiore, scattered the allied mages, and sent Riyao and Acnologia to the end of the world.
- Riyao escaped Acnologia, reunited with Mirajane, and gave Fairy Tail a map as the Alvarez forces gathered in Magnolia.