Fairy Tail: Final Series Episode 20 English Dubbed Episode Title:Not Until the Battle Is Over.Episode Description:The Four Emperors retaliate against God Serena, who reveals himself to be a Dragon Slayer with multiple elemental powers and defeats the four wizards. However, Acnologia appears and effortlessly kills God Serena in a hunt for Dragon Slayers, ignoring the other wizards. Meanwhile, Erza and her team – Gray, Juvia, Wendy, Carla, and Laxus – join Mermaid Heel and Lamia Scale's battle to liberate Hargeon. Wendy and Carla team up with Shelia to battle Dimaria, while Laxus duels Wall to avenge the Thunder Legion, despite being contaminated with Tempester's health-threatening Bane Particles. Outmatched, Wall adopts a more serious personality and enters his Assault Mode at the same time that Laxus suffers a physical breakdown from his condition, quickly leaving Laxus unable to fight back.