Though Vangeance, the Captain of the Golden Dawn, had asked Langris to return to his duties as vice captain, he continues to distance himself from the squad. Yuno had suddenly moved up all the ranks at a decoration ceremony and Langris asks him to fight him. The rest of the squad seems shocked, but Yuno accepts Langris’ request and fights him and they have a fierce battle. But during their fight, Yuno seems to have some doubts with how Langris is fighting.

The War against the Spade Kingdom begins in earnest as the Heart Kingdom and Black Bulls come under attack by Dante and Vanica of the Dark Triad.

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.