The Magic Knights captains (and special guests) take time out of their busy schedules to compete in a spirited quiz show hosted by Finral and Charmy.

The Magic Knight Squad Captains gather for a meeting and for an award ceremony with the king later. At the meeting, they decide that Asta, Nero, Noelle, Luck, Finral, Mimosa, Leopold, Charlotte and Rill will be going to the Heart Kingdom to train with the Spirit Guardians. At the award ceremony, Yuno advances very quickly in rank.

As the situation in the Heart Kingdom deteriorates beyond belief, Captain Yami Sukehiro pushes past his limits.

Due to Nacht's spell, the Devil who has been granting Asta power since the beginning has appeared physically. To master his Devil powers, Asta must battle and defeat his Devil, and force him to submit. But Asta has other plans... Meanwhile, Yuno, Noelle, and the others grow stronger in order to take their revenge against the Dark Triad.