He is accepted into the Royal Knights and raids the Eye of the Midnight Sun's hideout later acquiring the Demon-Destroyer Sword that allows him to destroy magic's actual effects, even after the spell has been cast from Licht after he and Yuno battled him.
While incredibly powerful as a royal, possessing a vast amount of mana, Noelle initially had trouble controlling her Water Magic with her older brother Nozel acting resentful to her as his way of protecting her from both harm and the truth behind the death of their mother Acier.
But after being framed for a crime by corrupt royalists, which resulted in the deaths of his comrades, and his wife Lovilia, Conrad was consumed in grief and rage as he turns on his people with the intent of sealing their souls within the Sword of the First Wizard King to revive those he deems worthy to live.
Nicknamed the Lord of Destruction (破壊神, Hakaishin), Yami Sukehiro (ヤミ・スケヒロ) is the captain of the Black Bulls, who are regarded as the worst Magic Knight Squad due to unorthodox and unstable members, being both physically strong and intimidating to the point of giving death threats to anyone who annoys him.
After supposedly murdering his family, sparing his younger sister Ichika, Yami fled his homeland and reached the Clover Kingdom where he joined the Magic Knights at Julius Novachrono's behest despite being looked down as a foreigner by his peers.
Grey (グレイ, Gurei) is a shy blue-haired girl who joined the Black Bulls after being driven from home by her abusive stepmother and older twin stepsisters, developing feelings for Gauche.
During the Underwater Temple arc, she participates in the game set up by Gifso and helps Gauche battle a minion before being forced to reveal her true form due to her running low on magic.
After Grey's attempt to heal Gauche in the aftermath of Dante's attack on the Black Bulls hideout, she learns that she actually utilizes Transmutation Magic, which allows her to alter all forms of matter.
Henry Legolant (ヘンリー・レゴラント, Henrī Regoranto) is the actual owner of the Black Bulls' base, using his Recombination Magic to remodel the building and rooms as he seems fit, having a tendency to talk very slowly.
Henry assumed his death was certain after his parents eventually left him, only to be found by Yami who convinces him to survive as he intends to fill his house with many healthy and active people to siphon mana from.
In the past, Nacht was a selfish delinquent who became distant from his twin brother Morgen as he joined the Grey Deer Magic Knights Squad, briefly bonding with Yami before ending their friendship.
William Vangeance (ウィリアム・ヴァンジャンス, Wiriamu Vanjansu) is the leader of the Golden Dawn and a potential heir to Julius as Wizard King, possessing vast mana and is able to use World Tree Magic.
Latry storming the palace to take Augustus Kira Clover XIII hostage while subjecting him to torture before Yami, Finral, and Jack arrive to stop the elf which is later exorcised.
The Crimson Lion (紅蓮の獅子王, Guren no Shinshio) are a Magic Knight Squad with close ties to House Vermillion (ヴァーミリオン家, Vāmirion-ke), whose lineage dates back to the foundation of the Clover Kingdom and genocide of the Elves.
The Silver Eagles (銀翼の大鷲, Gin'yoku no Ōwashi) are a Magic Knight Squad with close ties to House Silva (シルヴァ家, Shiruva-ke), whose lineage dates back to the foundation of the Clover Kingdom and genocide of the Elves.
During the Eye of the Midnight Sun's invasion of the royal capital, he helps his family fight off the zombies before being swept up by spatial magic vowing to never mess up again after seeing what happened to Fuegoleon.
Jack the Ripper (ジャック・ザ・リッパー, Jakku Za Rippā) is the Captain of the Green Praying Mantises, a sadist from a family of small game hunters whose bloodlust stems from his teen years when he slayed a giant bear that killed his father.
While normally stationed at Clover Kingdom's border, he returns to the capital to take part in the Royal Knight selection exam before being brutally beaten by Zora Ideale for his treatment of a commoner woman.
Kahono (カホノ) is the lively granddaughter of the High Priest and Kiato's younger sister, possessing a sixth sense along with using her Song Magic for various uses which include offense, healing, and putting the afflicted to sleep.
The Eye of the Midnight Sun (白夜の魔眼, Byakuya no Magan) are the main antagonists of the first saga, a group of rogue mages bent on decimating the Clover Kingdom, based at a floating dungeon within the Gravito Rock Zone.
The human members who form the majority of the Midnight Sun are deceived by Patry into joining the organization under the assumption that they are also reincarnated elves and given True Names (真の名, Makoto no Na), unaware that it branded them as sacrificial offerings to activate the ritual, killing them all, with Rades reviving himself, Sally, and Valtos moments later.
During the raid of the Eye of the Midnight Sun's hideout, Patry reveals his true identity upon taking full control of William's body as he kills Julius Novachrono for the last of the magic stones needed to activate the sephiroth, sacrificing his human allies to fully revive his fellow apostles and their kin.
Catherine (キャサリンス, Kyasarin) is a rogue witch who is utterly vain and used her Ash Magic to drain the mana of others to maintain her youthful beauty, making herself physically the oldest of Patry's subordinates.
During the Forest of Witches arc, she comes to take the magic stone from there as well as get revenge on the Black Bulls but the human Fana eventually manifests herself during the Third Eye member's confrontation with Asta and Mars.
He becomes Lucifero's host while further enhanced himself with Lolopechka's inherited knowledge to accelerate the Qliphoth Advent Ritual, modifying it to be dependent on himself, Yami, and Vangeance instead of the Dark Triad as they are defeated.
Following the attack on the Forest of Witches, Ladros turns over a new leaf after being defeated by Asta and offers to aid Mars in his plan to change the Diamond Kingdom's internal structure for the better.
A megalomaniac who believes himself to be a savior, Lucius sacrificed his siblings to achieve his goal to incarnate purified devils into humans to create a new immortal race called Paladins (聖騎士, Paradin) and become the final Wizard King of a world utopia.
When Morris is easily defeated by the Black Bulls, Lucifer sacrifices his host to open the second gate and possesses the emerging demons to create a rudimentary body to fight the Magic Knights.
Though his monstrous form is restrained by the Black Bulls and destroyed by Asta, Lucifero manages to partially manifest half of himself in the living world and resolves to kill Magic Knights and every other human in his current state after acknowledging them to be capable of harming him.
During his attempt to drain mana from the children of Nean Village, which included the siblings of Rebecca Scarlet and Gauche Adlai's sister, he requested Sally's help after being defeated and tied up.