“When the owner of the four-leaf grimoire is filled with despair, the five-leaf clover grimoire will be born.” Patry is filled with despair after learning he had been manipulated by the devil all this time and turns into a dark elf. He then starts attacking Yuno and Asta, fueled by nothing but hatred and malice. Somehow, becoming a dark elf had made Patry even stronger, which gives Yuno and Asta an even harder time fighting him. Then Captain Nozel appears before them. Nozel happens to have the best magical attribute to fight against light magic, mercury magic.

Yuno manages to enter the Shadow Palace with his pendant and runs into Patry and the others. However, his pendant is immediately stolen. Now, all of the necessary magic stones have been collected and the elves’ wish was supposed to come true. However, an uninvited guest appears before them: A devil from another world. They find out everything that happened between the elves and humans were actually a part of his plan all along. Yuno can’t hide is astonishment at how powerful the devil is as he tries to fight it, and then Asta and Mimosa also arrive!

The Black Bulls fight off the elves as Asta and the captains head into the Shadow Palace. However, they start to feel cornered from being so run down from one battle after another. It was then that Yuno had finally arrived to save them, bringing other Magic Knights he found throughout the land with him. Yuno hears the situation from Charmy and decides to head into the Shadow Palace, too. However, the entrance was now closed. But then, his pendant starts to react in a strange way...

After their last battle, Asta and some of the others decide to chase after Captain Yami and some others who had already headed into the Shadow Palace. However, the elves get in their way. It was then that Captain Fuegoleon and Captain Mereoleona, both who had just awakened, showed off their true powers. Asta and the others are happy to have their help, but then notice that the door to the Shadow Palace closing. In order to get Asta and his group into the palace, the other Black Bulls hold off the elves outside.

Vanessa and her team are able to figure out how to leave Captain Dorothy’s Glamour World due to quick thinking on Sally’s part, but it’s easier said than done. But then Luck gets an idea to help them out. Meanwhile, Asta continues to try to undo the reincarnation spell on Gauche and Marie but can’t even get close to them. Henry sees this and decides to make a great sacrifice...

Due to Captain Dorothy’s magic, Vanessa, who can use magic to alter fate and Charmy, who can use magic to recover mana had disappeared. Asta and the remaining Black Bulls have lost the bulk of their defense and are now struggling against Gauche and Marie’s combo magic being used against them. Meanwhile, Vanessa and her team try to figure out how to get out of Captain Dorothy’s dream world.

As the battle at Clover Castle continues the Shadow Palace appears. Captain Yami and Captain Jack get a bad feeling about this, so they try to infiltrate the palace, but Magic Knights who had reincarnated as elves keep getting in their way. Then Asta and the other Black Bulls as well as Rades, Sally, and Valtos arrive! Asta tries to undo the reincarnation spell that’s been cast on the Magic Knights, but then the Captain of the Coral Peacocks, Dorothy Unsworth, who has also reincarnated as an elf appears before them!

While Mimosa, Kirsch, and En were protecting the Vermillion residence from the elves, Langris, who had reincarnated as an elf, had arrived at the castle. He goes after the king’s life but Finral shows up with Captain Yami and Captain Jack. Despite knowing the difference in power between him and his younger brother, Finral continues to support Captain Yami and Captain Jack in this fight against Langris. Finral goes for a risky attack which injures him, and...

Noelle, Nozel, and Zora arrive at the Silva residence where Noelle and Nozel grew up and end up fighting the elf Kivn there. However Kivn’s magic interferes with their magic, making it hard to fight her. Even then, Noelle is able to fight back but Captain Nozel is gravely injured. With her pride and confidence as a Magic Knight and her desire to protect her older brother, Noelle is able to awaken to a new power.

Captain Yami arrives at the royal residence inside the castle along with Finral. Even though Yami was a Magic Knight Squad Captain, dealing with these powerful elves on his own was proving to be difficult. Then suddenly, Captain Jack comes to their aid. Captain Yami and Captain Jack are able to defeat one elf after another with Finral’s support. But then, the floating dungeon carrying the leader of the elves, Licht, arrives...

Asta had caught up with Magna and Vanessa with his new sword. Asta tries to work with Magna and Vanessa to save Luck, who had been reincarnated into an elf, but Luck’s body had a lot of pent up magical power that was now surging and they have a hard time getting to him. Despite that, Asta and the others try to bring the normal Luck back. Will their feelings get through to their precious friend?

Asta had caught up with Magna and Vanessa with his new sword. Asta tries to work with Magna and Vanessa to save Luck, who had been reincarnated into an elf, but Luck’s body had a lot of pent up magical power that was now surging and they have a hard time getting to him. Despite that, Asta and the others try to bring the normal Luck back. Will their feelings get through to their precious friend?

Magna had been training with Vanessa to become more powerful and during their travels they ended up in a town that was being destroyed by none other than Luck from the Black Bulls who had reincarnated as an elf. Magna and Vanessa do everything they can to try to stop Luck but Luck had turned into someone else and attacks them both. And because Vanessa’s magic protects all the members of the Black Bulls it kept protecting Luck even though he was someone else inside.

The Magic Knight Squad Captains end up doing a team battle due to Julius's suggestion. Since the citizens are still weary after the attack by the Eye of the Midnight Sun, they want to prove that they still mean to protect the kingdom and its citizens. The Magic Knights watch in anticipation as their captains split up into two teams and go all out in this battle.

To prepare for the upcoming battle against the devil, the Black Bull Grey decided that she needed to get over her shyness and be able to face her friends first before anything else, so she asked Noelle to mentor her. However, things aren't going very well. Next, Grey tries to get Gauche to help her, since they had fought together in the past. For this training, she walked around town with him when it was crowded, but then they saw a panicked Charlotte run by...

The incident with the Devil Believers had come to a close. This whole incident ends up hurting Nero, who witnessed the pain the Devil Believers felt from having less mana and reminds her of her time with the first Wizard King, Lumiere and the magic item he was trying to create to get rid of discrimination in their kingdom. She then gets summoned by Julius. Meanwhile, Asta and the others receive a message saying that the Heart Kingdom and the Spirit Guardians were ready to train them for their fight against the devil.

Asta and Noelle are captured along with Nero and they head toward the strong magic region near the border when Captain Yami and Magna arrive. Captain Fuegoleon and Captain Nozel also show up, causing the Devil Believers to panic. The captains try to talk to the Devil Believers, but their distrust for them is just too strong. The Devil Believers try to bring their powers together in order to face the Magic Knight captains.

Asta, Noelle, and Magna manage to catch up to the Devil Believers who had taken Nero. But they find that the Devil Believers have now grown in numbers. Magna goes back to tell Yami of the situation. Asta and Noelle are left behind and try to do what they can to save Nero. But it appears that the Devil Believers have made up their minds on achieving their goal, even if it costs them their lives.

Though the Magic Knights were able to save Marie from the Devil Banishers, Nero is taken once again and Asta’s 5-leaf clover grimoire is also stolen. Suddenly, they receive a message from one of Damnatio’s subordinates and learn the true identities of the Devil Banishers and Julius orders the Black Bulls yet again to save Nero. The Black Bulls begin their investigation in the town where they think the Devil Banishers were gathering. Will they be able to find out what the enemy’s true motive?

The Devil Banishers announce that they will judge Nero and Marie in public. Julius then orders the Black Bulls and other Magic Knights to go rescue them. The Magic Knights place themselves among a crowd that clearly hates the devil, and then the Devil Banishers appear. They then demand that the devil-possessed Asta show himself.