I don't own Justice League or Fairy Tail just any OCs I may throw in and unlike in the prequel so far nothing from the Harry Potter series will be there just mentioned. Justice League shouldn't play any part after Mass Extinction arrives on Earthland.
Elsewhere, in the castle of Mercurius, Arcadios is has a talk with Fiore's King, asking him if he has any requests concerning the second day fights. The King tells him that he wants to see Sting and Rogue fight, but thinks that they should leave the best for last. He then tells Arcadios to have Bacchus battle 'the one that transforms' from Fairy Tail. The King then dismisses Arcadios who quietly leaves, saying to himself that soon something will be complete.
Concurrently, Cana is approached by a man who challenges her to a drinking contest and manages to best her, making it her first loss. The man then turns to leave, taking Cana's bra as a prize. Macao and Wakaba try to stop him from disgracing their guild mate, but the man easily and effortlessly dodges their attack and strikes back. Erza then arrives and realizes that the man is Bacchus, the Quatro Cerberus S-Class Mage. Bacchus then leaves after telling them that he will be replacing Warcry as one of his guild's representatives. As Bacchus leaves, Erza tells her team mates that they had fought multiple times in the past and no one has yet won, surprising them. Meanwhile, Carla explains her vision to Porlyusica. According to her, she saw a white knight, a magical array and Mercurius crumbling, all with Lucy singing something as it happened.
As the second days challenge begins, it is revealed to be an event called Chariot, in which the representative of each team race through Crocus to the Domus Flau atop moving wagons. As the race occurs, Kurohebi from Team Raven Tail is far ahead in the lead, with the Ichiya in 2nd place, Yuka in 3rd, Risley in 4th and Bacchus in 5th.
However, while this group nears the finish line, Sting, Gajeel and Natsu still lag near the starting line in 6th, 7th and 8th place respectively, all three Dragon Slayers suffering from severe motion sickness. To try and come first, the participants begin to utilize their Magic, however Bacchus puts his to use most effectively, managing to pass everyone and take first, Kurohebi soon following, with Risley coming in 3rd, Yuka in 4th and Ichiya 5th.
This leaves the Dragon Slayers pathetically competing for 6th and 7th place. Despite feeling completely awful, Natsu and Gajeel persistently push on forward. Sting proceeds to question the Fairy Tail wizards on why they are trying so hard, and Natsu then gives an impassioned speech, stating that they are doing it for their guild, who had patiently waited for them. His speech touches the Fairy Tail members in the audience, and the spectators, causing them to openly cry. With that, the two Fairy Tail Dragon Slayers pushes forward, Natsu earning 6th place whilst Gajeel gets 7th. Sting drops out, earning himself 8th place and his team 0 points, showing disdain towards Natsu's explanation.
Finishing the event exhausted, Natsu is carried to the infirmary by Lucy, who, after inquiring about Wendy and Carla's health and learning that they will be alright, leaves to join her team. Porlyusica asks Carla why she didn't tell Lucy of her premonition, to which the Exceed replies saying that she refuses to believe it actually was one, and that it must have been a dream instead. Lucy joins her team, and seeing that Raven Tail's Kurohebi will be fighting Lamia Scale's Toby, prompts her to glance over at Team Raven Tail, noting sadly that Flare is covered in bruises and being harassed by her team-mate.
The first match commences with Kurohebi receiving the upper-hand of the battle, with his Mimic Magic. Toby praises Kurohebi's strength and his name, with Kurohebi stating that it isn't his real name. This comically angers Toby, which prompts him to request that if he were to win, Kurohebi is to tell him his real name, while if Kurohebi wins, Toby will tell him his "super secret." After all is agreed, Toby is promptly defeated, revealing his secret is that he can't find his other sock, which is actually hanging around his neck, stunning the audience. Kurohebi points out Toby's sock, causing Toby to cry in happiness. The Raven Tail representative then holds out his hand, and as Toby reaches out for it Kurohebi grabs the sock instead and tears it, much to the amusement of his team-mates, the Raven Tail Mage stating that the more precious something is to someone, the more he wants to destroy it.
The second match then begins, with Bacchus coming out for Quatro Cerberus. At this point the King arrives and meets with Arcadios, eager to see the match between Bacchus and Erza. However, due to the King's vagueness, Arcadios arranged Team Fairy Tail A's battle representative to be Elfman Strauss, mistaking him for "the one that transforms." With everyone, including Elfman, doubting Fairy Tail's victory, the two enter the battle field. However, Bacchus decides to make things interesting by asking for his opponents sisters if Team Quatro Cerberus were to win, infuriating Elfman.
Meanwhile, at the infirmary, Natsu wakes up to see Wendy, Carla and Porlyusica are missing, the scent of someone unfamiliar in the air. Following his nose, Natsu finds a group of men making off with the three, and hastily defeats them to save the trio.
Meanwhile, down at the arena, the battle has already started, with Elfman being thoroughly hammered. At this point, Erza reveals that Bacchus's strength isn't his Magic (which simply focuses Magic Power into the palm of his hands), but his mastery over the martial arts. Furthermore, as Bacchus hasn't taken a drop of alcohol since the fight started, he hasn't even begun to fight at full strength yet. After Elfman is struck down again, he struggles up again and states the term for his wager, saying that if he wins, Quatro Cerberus is to be renamed Quatro Puppy for the rest of the tournament, shocking the rest of Team Quatro Cerberus. Bacchus accepts, and deciding to take things seriously, takes a swig from his gourd. Elfman transforms again as Bacchus advances, and in an instant, the Drunken Falcon lands several blows. However, he then notices that his hands are damaged, and turns to see Elfman's new transformation is covered in spiked scales, making him virtually untouchable for hand-to-hand combatants. With this, Elfman challenges Bacchus' palms with his own body to see who will break first. Bacchus accepts the challenge and attacks the Lizardman, while Elfman merely endures. They then both fall to their knees in exhaustion. Bacchus then stands, and after acknowledging the Fairy Tails representatives strength, collapses giving Team Fairy Tail A their first victory.
Meanwhile, at the top of the stadium, the kidnappers have been captured, and the kidnapped awakened. The kidnappers are taken into custody, but not before claiming that Raven Tail were the one who requested them to retrieve "the girl from the sick bay." Porlyusica, Wendy and Carla believe that they weren't even the intended target, and that it was actually supposed to be Lucy. This is proven to be correct as Arcadios meets the ones responsible, angry that his plan failed and wanting to capture Lucy for Zeref's Eclipse Plan.
It is later evident that the damage Elfman received during his battle against Bacchus was enough to incapacitate him, leaving Wendy to take his place. To make sure the kidnapping doesn't repeat itself, the Thunder God Tribe volunteer to guard the infirmary. As they leave, the group ponder why someone would need Lucy, but decide to put this off and instead cheer for Mirajane, who is fighting Blue Pegasus reserve member Jenny Realight.