Asta and some of the others follow Captain Yami to the Shadow Palace but are stopped by the elves; Captain Fuegoleon and Captain Mereoleona show off their true powers.
A flashback to the truth behind the first Wizard King's battle against the demon serves as a prelude for a new face joining the fight against the devil.
Licht and Lumiere fight against the devil using incredibly powerful magic. But the devil has incredible regeneration powers and quickly heals himself, making him difficult to defeat.
Because she used forbidden magic, Nero survived for centuries. In the back of her mind, memories from long ago start to replay in her head. From when Nero was still called Secré and when Secré first met the most powerful mage
Asta and the others manage to meet with the queen of the Heart Kingdom, who had also been chosen by the water spirit, Undine. They are able to confirm that the devil's curse and that the devil was in the Spade Kingdom
Asta and Yuno are given permission to go home to Hage for a little while. Asta was being called a devil in the papers, but Father, Sister Lily, everyone at the church, welcomed them home with open arms
The Black Bulls get a sudden visit from Mereleona and she drags them to the strong magic region of the Yultim Volcano. There, the Crimson Lion Kings, as well as their captain, and his younger brother Leopold, were waiting for them
As Asta and the others were chasing the creature that lived in the cave beneath the Volcano Trail, they happened upon a dungeon. They were then ordered to explore the dungeon by the royal capital, so they split into groups and went in
Asta and Noelle return to the Black Bulls hideout only to get taken away by Mereoleona again. The place they were brought this time was the Vermillion estate. Waiting for them there was Captain Fuegoleon, Kirsch, Mimosa, and Sister Theresa
Finral has dinner with ladies, as a test to see if he can resist their charm. He ends up colliding with Charlotte, who is on a attempted romantic dinner with Yami.
Noelle and the other Black Bulls head to Racquey to do some training, when Noelle hears a mysterious voice. Shortly after, they are reunited with Kahono and Kiato. The siblings ask them for help and they head down to the Underwater Temple
Asta and the other Black Bulls continue their training in order to face off with the devil. Charmy is trying to use her cotton magic and her Sheep Cooks to create food to enhance her friends' mana, but she realizes she lacks training
Zora returns to his hometown to visit his father's grave and there he finds a young commoner training and admiring the one who was the first commoner Magic Knight.
Vanessa returns to the Witches' Forest and requests that the Witch Queen teach her ancient magic. In exchange, the Queen tasks her with training two witches, Samantha Kravitz and Elvira Aguirre
Julius asks Marx to do a favor for him. He wanted him to help with creating new magic items as well as take care of some bandits. Marx is accompanied by the former member of the Eye of the Midnight Sun
The Golden Dawn was hard at work trying to get the kingdom back onto its feet. They were trying to make amends for the trouble they had caused while they were possessed. Captain Vangeance puts Alecdora Sandler in charge of a mission
Before the Midnight Sun attacked the capital a young woman named Dazu Tayaku lived with her husband and mother-in-law. Dazu is a user of Catalyst Magic, meaning she can only borrow magic from others but has no magic of her own.
Kabwe Carillon's team of Devil Banishers returns to Bow Nokude's house in Tiulyu. They report to the other team about their failure to capture Asta. Gordon and Noelle take Asta to Owen, who discovers that it was a sleeping potion.
Dazu angrily blames the Magic Knights for not protecting her village before storming off to the Banishers headquarters, the basement of Bou's medical clinic
The Bulls infiltrate Lehart alongside the other Magic Knights and find a large crowd of angry commoners gathered. Vanessa is approached by two Banishers who demand she leaves with them quietly or Secre and Marie will be killed instantly.
Kabue finally realizes he's been fooled by the Devil Believers, but it's too late for him and his friends. The Black Bull is given a new mission: the capture of the Devil Believer in addition to the rescue of Nero.
Asta manages to escape with Noelle and Secre. Nozel and Fuegoleon arrive, causing the Believers to try attacking them; unfortunately this summons a dragon from the strong magic region.
Secre recalls that Lumiere designed a magic tool that could increase magic specifically to help those born with low magic, intending to end the discrimination that created the Believers.
Grey decides to overcome her chronic shyness and asks Noelle for help. As Grey is not shy when she transforms into other people Noelle suggests she transform her state of mind instead.
The Captains are split into two teams; Yami, Jack, Nozel and Kaiser against Charlotte, Fuegoleon, Dorothy and Vangeance, aiming to destroy the other teams crystals, though Rill is absent for personal reasons.
The Magic Knight Entrance Exam comes again, marking one year since Asta and Noelle joined the Bulls. Asta is once again swarmed by the Anti-birds for having zero magic.