Al Anime
 Kanji アル
 Romaji Aru
• Characteristics•
 Race Human
 Gender Male
 Age Late 30s-Early 40s
 Height 173 cm (5'8")
 Weight Around 70 kg
• Professional Status•
 Affiliation Kingdom of Lugnica
Priscilla Camp
 Previous Affiliation Vollachia Empire
• Personal Status•
 Status Alive
• Abilities and Equipment•
 Magic Earth
 Weapon Sword
 Equipment Black Helmet
• Debuts•
 Light Novel Volume 4
 Manga Chapter 2
 Anime Episode 12
• Portrayal•
 Japanese Voice Fujiwara Keiji
 English Voice Keith Silverstein

Aldebaran (アルデバラン), commonly known as Al (アル), is Priscilla Barielle's knight, though he claims to just be a subordinate. Like Subaru he is a normal person that has been summoned from Japan.


Al wears a black Vollachia made helmet along with a green vest, tan pants, sandals, and an orange cloak. He wears the helmet to hide the injuries on his face and also only has one hand due to an incident while he was in Vollachia. He carries his sword in a sheath on his back.


Al has a frivolous and goofy personality, and having spent more than ten years in a different world, he was easily able to get along with Subaru. Despite being Priscilla's knight, he doesn't really recognize himself as one, seeing himself as her caretaker, while Priscilla herself sees him as a handyman and a fool to entertain her. He has no qualms about their relationship. He also brags that the only way he can fight is by outwitting people and catching them by surprise.

Al is apparently acquaintances with a Sin Archbishop, as he told Capella that she was "considerably different from the Sin Archbishop he knew". He also is acquaintances with the Witch Cult and the Witches of Sin, as he knew that Typhon died in Priestella and where her ashes resided, and when he told everyone to hide their true name from Gluttony when they attack.


Al was summoned to the different world 18 years earlier. One time, he visited the Gladiator Island Ginunhive to learn how to fight and received a sword and a helmet, however, he also lost his left arm around that time.

Sometime later, Al joined Priscilla's knight tournament and ended up in the best four out of an event with around fifty people. Priscilla decided to choose him as her knight instead of Gilian Endymion who Leip Barielle brought.


Unknown Ability: Al has some sort of ability which allows him to repeat a certain amount of time over and over again with other people being oblivious to its effects, though sometimes his opponent can tell if he's returned, and he himself refers to it as a bet. He used this ability to evade and/or test Capella's blood multiple times to make sure he wouldn't get infected just by stepping in it and she noted that she didn't see him evading it at all. Al can only negate his or others' injuries or deaths while his ability is active, in addition to only working within a limited area, which he refers to as territory.

Magic User: Al is able to use Earth Magic.

  • Dona (ドーナ): The user summons one earth wall, which is used as a defensive spell.
    • El Dona (エル・ドーナ): The user summons a pillar of earth with spikes to pierce an opponent. It can be used also be used defensively.

Equipment: Al wields an sword and wears a black helmet which he received when he was at the Gladiator Island Ginunhive. Priscilla asked him one time if the helmet was a replica of a helmet related to the Gladiator King and he confirmed it.


  • According to the author, Al is involved with one of the three mysteries of Re:Zero, and revealing his circumstances would answer it.
    • Also, Al is scheduled to be featured in Arc 7.
  • Al's full name Aldebaran is the brightest star in the Taurus constellation.


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