As promised, Asta and the others get rid of the invaders who attacked the Witches' Forest. However, the Queen of Witches was after Asta and his swords to begin with. She uses a spell to make Asta her puppet and tries to get him to kill his own friends. Vanessa begs the queen to stop, but she refuses. But in her helplessness, Vanessa ends up awakening to a new spell...

Asta loses consciousness after Ladros's attack and the Queen of Witches tries to use this opportunity to awaken Asta's true powers. Meanwhile, Asta ends up waking up in a strange space, and he realizes there's a giant being in front of him. The being offers to lend him strength in exchange for Asta's body, but Asta declines. Asta finally regains consciousness and seems to have powers that Noelle and the others had never seen before...

Working alongside Mars, Asta is able to stop Fana from self-destructing. Fana regains her senses and they ask her what happened. However, Fana doesn't remember the events that happened after she had lost consciousness, other than she felt the strong need to take back the magic stones and that she was being controlled by someone's extreme hatred. Meanwhile, Ladros, who they thought they'd defeated, comes back even stronger and attacks them. The attack was so sudden that everyone didn't have time to react. Asta tries to face Ladros alone, and...

Fanzell ends up bring Mars and Ladros to where Asta was fighting. In order to defeat Ladros who absorbs the magic of his enemies, Fanzell thinks of a plan to have Asta's anti-magic counter that. Asta doesn't really understand what's going on but does what Fanzell asks him to do. He bats away Fana's spirit magic with his sword. Meanwhile, Mars sees Fana, and...

While Asta and the other Black Bulls were fighting with Fana, Fanzell was facing off with the forces of the Diamond Kingdom, which he used to be a part of. The forces happen to be led by two of Fanzell's former students, Ladros and Mars. Fanzell left the Diamond Kingdom because he didn't agree with the kingdom's methods, but before, he would train children on how to use their powers for the Diamond Kingdom. Fanzell tries to reason with his former students, but Ladros attacks regardlessly, forcing Fanzell to fight with them.

Asta has arrived at the home of the Black Bulls, which Yami himself called the absolute worst Magic Knights Squad. He is greeted by the squad's unique members.

Noelle uses her water magic to try to put out the fires that have sprouted up around the forest while Asta, Finral, and Vanessa confront another member of the Third Eye, Fana. Asta tries to reason with Fana by talking to her, but that quickly gets shut down when Fana attacks with her fire spirit, salamander. They soon find out that Fana not only has fire magic, but other magic using different attributes...

While Asta and the others were meeting with the Queen of Witches, the forces of the Diamond Kingdom and the Eye of the Midnight Sun were getting closer to the Witches' Forest. The party asks the Queen of Witches to cure Asta's arms so he can help protect the witches from the incoming forces. The Queen of Witches takes interest in Asta's anti-magic sword and cures Asta's arms. The party splits up into two different teams to go face off with both of the incoming forces.

Noelle and Finral go to visit Asta's sword instructor, Fanzell, in hopes that he'd know a way to fix Asta's arms. Fanzell's fiancee, Domina, tells them that the Queen of Witches in the Witches' Forest should be able to dispel ancient curses, so they go to visit her. They eventually get Asta as well as Mariella to tag along and Domina leads them to the forest. However an incident occurs and their infiltration soon gets found out. They manage to bust into the Queen of Witches's mansion, but she already had a prior guest. It was Vanessa, who also came from the Witches' Forest just like Domina...

A few months after being trained by Fanzell, Asta is able to join the Black Bulls. One day, Fanzell suddenly shows up at the Black Bulls' base. Fanzell recognized Noelle's staff and wanted to ask her about it. It was created by his fiancee, Domina, and he was thankful to find another clue as to her whereabouts. But then, more assassins who are after Fanzell also appear at the Black Bulls' base...

The first time Asta met Fanzell Kruger was shortly after he received his grimoire. In order to train with his new anti-magic sword, Asta holes up in the woods and meets Fanzell, who is looking for his missing fiancée, Dominante Code. Fanzell uses wind magic and is able to turn wind into a sword so he helps Asta train. One day while they’re in the forest, someone comes for Fanzell’s life...

After Kiten is successfully protected Yami introduces Asta to a recovery mage named Owen that works directly under the Wizard King so he can get his arms healed. Owen is known as the most powerful recovery mage in the Clover Kingdom, but Asta's arms were in a horrific condition. Finral happens to walk by the room when Owen tells Asta something about his injury, and then he tells the rest of the Black Bulls, who are shocked. The Black Bulls go to check on Asta and see that he's still not discouraged at the bad news, and they all come to a decision...

During the attack on the Clover Kingdom by the Diamond Kingdom, Yami saves the captain of the Golden Dawn, William Vangeance, from Lotus's attack. Yami then asks William a question that's been on his mind for quite some time. Meanwhile, Asta runs into Yuno in Kiten and they are confronted by Finral's younger half-brother, Langris. Langris was always beaming with potential and joined the elite Magic Knight Squad of the Golden Dawn and became the vice-captain. He also despises his older brother Finral and considers him a total failure. Langris mocks his brother as well as the other Black Bulls and Finral finally stands up to him...

The Golden Dawn continue fighting the Diamond forces. The Diamonds soon realize they are about to be overpowered when William uses his world tree magic, basically ending the fight.

The Black Bulls return home after their battle against Vetto in the Underwater Temple. Yami, Asta, and Charmy go see the Wizard King to report on the battle.

The members of the Black Bulls all surpassed their limits and defeated a powerful enemy. They manage to safely get the magic stone and successfully complete their mission, and all the members other than Captain Yami go recuperate.

The entrance exam finally comes to a close. The time has arrives for the captains to decide which candidates they want to join their squads.

Asta’s sword finally manages to take down Vetto! But that was all a part of Vetto’s plan. He manages to steal Asta’s sword and break his arm. Vetto proudly proclaims victory, but Asta doesn’t give up hope.

Asta continues his attacks against Vetto with support from Vanessa and Finral. They finally manage to land a blow on Vetto, but it’s not very effective. Vanessa and Finral remember when they were younger and much weaker.

Despite being greatly injured in the battle against Vetto, Asta stands up to face him again. Seeing this, Vanessa and Finral come to assist Asta, too.