Fairy Tail: 100 Years Quest #16

Plot

Fairy Tail defeats the fake Duke, Athena II and the Signario Sisters, returning all of the stolen Dragon Slayer magic. Saber Tooth acquires the philosopher's stone from Zalam and Iruha, unaware that they are the same person and the real, still living Duke. Using the stone, Athena sacrifices herself as material to restore Viernes, whom Natsu destroys after Wendy imbues him with his friends' magic. Gold Owl vanishes, its members having been figments created by Viernes; the only survivors are the Signario Sisters, who regain their memories as members of Fire and Flame, a group that serves Ignia. Athena also survives after her mind miraculously enters Athena II's body. With Ignia as the last Dragon God remaining, Fairy Tail parts with Saber Tooth to search for his lair, the Fire God's Castle.