Team A vs. Team B

Team A vs. Team B is the first fight of the Crystal Destruction Battle Tournament.

Pre-Fight
As the Magic Emperor Julius and Marx show all the participates the tournament brackets, Asta notices where he and Yuno are place and how he and Yuno will not meet until the finals. Asta also plans to win the whole tournament when Julius announces that they are going to start the first round of the tournament. Julius also comments about how the participates can attack however they want since they have high-class healers on standby, but they can't kill their opponents.

Fight
As round one begins, Team A comments about how it was unforgivable that way that rogue was acting towards the Magic Emperor. On Team B's side Asta is getting excited about the match when the rogue insults Asta for getting excited and says that they have to first understand the battlefield and get to know what they are all capable of. Both Asta and Mimosa agrees that the rogue is right and Mimosa reveals that she can use plant magic while Asta uses Anti-magic. As Mimosa asks the rogue what magic he is capable if using, their crystal is suddenly attacked. Mimosa tries to get the crystal to safety but the crystal is still hit again. Mimosa thinks about how the other team is using long-ranged attacks, while Asta wonders how they are doing this.

On Team A's side, one of the members is using crystal magic to location Team B's crystal and relaying it to his teammates. The other two teammates are using stone magic and fire magic to launch attack, while planning to make sure that Team B doesn't make a single action for their disrespect to the magic emperor. While Team A continues to attack Team B's crystal, Asta says that they have to work together or the battle will be over before it begins. Suddenly Asta notices that the rogue is lying on the ground and wonders what is wrong with him. Asta tries to motivate the rogue to help them, but the rogue replies that he needs sleep since he had pulled an all-nighter.

The Crystal user Rick informs his teammates that the rogue has fallen asleep, which the fire user Forte gets even angrier at the rogue. The stone user Curtis tells Forte that they will win since they are going to finish this here and now. Mimosa suddenly use a spell to locate where the other team is and that they are preparing for another attack. Asta manages to get into position and manages to cut the incoming attack, which Mimosa thinks that Asta is incredible. Mimosa notices the sleeping rogue and then tells Asta that they have to work together to get to Team A's crystal and destroy it. Asta agrees with Mimosa, and both of them head toward where the other team is while also protecting their crystal.

Rick informs his teammates that their might be someone on Team B's team that can locate where they are, since they are heading to their location. As Asta and Mimosa manage to get close to where Team A's crystal is, Curtis tells Forte not to panic this their crystal is perfectly fine. Mimosa then uses a spell to attack Team's crystal but Curtis uses a spell to block it. As Asta is impressed with Mimosa, Mimosa says that she will lead the way since now is their time to launch a counterattack. Curtis says that they should surround the two to attack, but Forte reveals that Asta can use Anti-magic. Curtis then suggest another plan which the two split up while also confusing which one has the crystal. Mimosa reveals the Curtis has the crystal, which Asta heads towards Curtis while Curtis prepares a powerful spell. Mimosa notices that they are surrounded and that the other two are also preparing powerful spells that will be able to destroy their crystal. Mimosa then tries to inform Asta but Asta is suddenly caught in a trap that paralysis him.

Team A launches their spells towards Team B's crystal. As Mimosa thinks about how she can't defend the crystal from all three spell, suddenly three magic circles appear when the spell get close enough and the rogue awakens. The magic spells then absorbs the spells and reflect them back at the towards the casters. As the spells hit the casters, the rogue gets up and says that it all worked out. As Mimosa wonders what is going on, the rogue comes over and compliments Curtis for being able to stay conscious along with protecting the crystal. The rogue then insult Curtis for how badly Curtis and the crystal are in, which the rogue walks on top of Curtis and says that he will have to destroy the crystal encase he still has something up his sleeve. Curtis says that he won't let the rogue destroy the crystal, which the rogue steps on Curtis's head and says that he has lose to him while insulting Curtis.

The Rogue also tells Curtis that a magic knight should consider all possiblities when fighting, and shouldn't get worked up and firing off gigantic spells. The rogue also says that those who lose to him are hardly fit to be magic knights. Mimosa notices that the rogue is using Ash Magic, and thinks about how the rogue was the one that had sent the trap magic that Asta had fell into. The rogue prepare to destroy the crystal while says that its time to end this, along with tells Curtis to start over and come back when he is ready. As Curtis yells out, the rogue turns away and says that he has changed his mind since he can here for another goal. As Curtis is confused by this, the rogue says that he was just kidding and destroys the crystal.

Post-Fight
With the crystal destroyed, the officials announce that Team B is the victors. As the other magic knights talk about what had happened during the fight, the King Augustus comments about how the rogue is his first pick for the Royal Knights. As Team A is being carried off the battlefield to be healed, Mimosa uses her spell to heal Asta. The rogue tells Mimosa and Asta that that was some good teamwork and that they were great acting as the bait. Asta thanks Mimosa for healing him, and then gets up and asks what is wrong with the rogue since the other team was also impressive. The rogue says that that doesn't matter since their teamwork was better and that losing is still losing. Asta replies that that wasn't teamwork and the magic that he was trapped in was the rogues doing. The rogue just tell Asta that in order to fool your enemies, you must fool your allies. The rogue also comments that his collar has magic in it too, which Asta has a hold of it, and a poof of ash shoots into Asta's eyes. Mimosa thinks about how the rogue's magic works and what conditions had to be met in order for them to be activated. Mimosa asks when the rogue had a chance to plant his magic, which the rogue replies that its a secret since a man must remain mysterious.