Aiz Wallenstein Anime
Ais Wallenstein
 Japanese アイズ・ヴァレンシュタイン
 Romaji Aizu Varenshutain
 Alias Sword Princess (剣姫 Kenki)
 Nickname War Princess (戦姫 Senki)
• Characteristics•
 Race Human
 Gender Female
 Age 16
 Hair Color Gold
 Eye Color Gold
 Height 162 cm (5'4")
• Professional Status•
 Affiliation Loki Familia
 Occupation Adventurer
 Level 6
 Achieved Floor 59

Strength: H154
Endurance: H153
Dexterity: H189
Agility: H174
Magic: G202
Hunter: G
Abnormal Resistance: G
Swordsman: H
Spirit Healing: I

Strength: D564
Endurance: D553
Dexterity: A827
Agility: A824
Magic: S900
Hunter: G
Abnormal Resistance: G
Swordsman: H

Strength: C609
Endurance: D580
Dexterity: B798
Agility: A818
Magic: H100

• Personal Status•
 Status Alive
 Relative(s) Albert Waldstein (father)
Aria (mother)
• Skill, Magic and Equipment•
 Skill Avenger
 Magic Ariel
 Weapon Desperate
• Debuts•
 Light Novel DanMachi Volume 1
Sword Oratoria Volume 1
 Manga DanMachi Chapter 1
Sword Oratoria Chapter 1
 Anime DanMachi Episode 1
Sword Oratoria Episode 1
• Portrayal•
 Japanese Voice Oonishi Saori
 English Voice Shelley Calene Black

Ais Wallenstein (アイズ・ヴァレンシュタイン) is a first class adventurer and an executive of the Loki Familia. Among the small fraction of first class adventurers, she is considered one of the strongest.


Ais is considered a very beautiful woman with long golden hair, gold eyes, and a slender body. She usually wears a white and black battlecloth, black arm covers, and long blue boots. She wears her armor over this consisting of a headguard, breastplate, arm guards, hip guards, and knee guards.

When not heading to the dungeon, Ais usually wears a white one piece dress with gold lining.


Ais is a mostly quiet person who has trouble expressing her feelings through words. Because of this, she is thought to be mysterious; however, she is actually mentally young, even visualizing a younger version of herself in certain situations, such as when she gave Bell a lap pillow.

Unlike her fellow Loki Familia member Bete, Ais doesn't look down on the weak despite being a First Class Adventurer. She is also believed to be an airhead, namely due to her quiet nature. She is very strong willed, doing everything to reach her goal to become even stronger, even offering to train Bell just so she could try to determine the key to his quick growth. She also tends to react violently whenever someone does anything remotely perverted to her (such as Loki).

Ais exhibits a strong interest in Bell, mainly because of his rabbit like appearance. However, she helps him whenever she can, such as when she immediately moved to rescue him when she heard that he was being attacked by the Minotaur. During the time she trained Bell, Tiona pointed out that she seemed happy, an emotion she had never seen her show before. She interacts with Bell very favorably, such as taking care of Bell on the 18th Floor and accepting his request to dance at the ball held by Apollo even though it was her first time.

Ais is unable to swim, as when she was 7 years old, Riveria punished Ais for calling her an "old woman" by tying adamantite to her and throwing her in water, calling it "swimming training". This later became a traumatic experience for her, making her avoid water in general while in the dungeon, and if she has to bathe, she tries to stay in areas where her feet reach the bottom.

Ais' goal is to become strong enough to defeat the One Eyed Black Dragon and take back her mother. Because her goal is revenge driven and for her own sake, she considers herself unable to become a hero.


Ais entered the Loki Familia at the age of 7. As a new member, she acted as a supporter to other adventurers while training as hard as she could. She reached Level 2 within a year, becoming the fastest person to reach Level 2 at the time until Bell broke that record.

Ais has also fought against Phryne Jamil on three occasions: once when she was a new Level 2, a second time when they encountered each other in the dungeon two years after their first meeting, and a third time when Ais reached Level 5.



Ariel (エアリエル): Ariel is Ais' wind element enchant magic. In addition to serving as a powerful offensive weapon, it has also been shown to be used as a shield, as it was able to deflect the poison from a Virga. Despite the strength it gives her, she usually stops herself from using it against non monster opponents, as she is fearful of accidentally killing her opponent.

Ariel has been mentioned as being far beyond normal enchant type magic, and Lefiya has even referred to it as being abnormal. When she used it at full power during her battle with Revis in volume 7, the latter referred to it as a "Great Spirit's wind", and succeeded in holding her off for a short while despite their difference in power. Her use at the time was described as a "fortress of wind" rather than the usual "armor". As a new Level 1 adventurer, Ais wasn't informed that she had a magic to prevent her from killing herself in the dungeon from fighting too much.

  • Lil Rafaga (リル・ラファーガ): Ais surrounds herself with Ariel before lunging at her opponent.


Avenger (復讐姫(アヴェンジャー)): Avenger heavily increases Ais' attack power against monsters, massively increases her attack power against dragon type monsters, and the effect rises based on her hate. It has an active trigger. When she used it as a Level 1, it caused the enemy to explode upon contact with her sword, blasting their body apart. When Ais first used it, Riveria noted that it had power unbefitting that of a first attack of a Level 1 adventurer.

The skill damages the user's weapons due to its output, which is considered to be the strongest among all skills. The only weapons that were able to survive its usage were Desperate and Sword Ale, though the latter was because she didn't want to break the bond between her and Riveria and the others. Riveria stated that while it was an impressive skill, it was also a chain that dragged her closer to death.

Development Abilities

Hunter (狩人): Hunter improves Ais' abilities against monsters she's fought before and gained exilia from.

Abnormal Resistance (耐異常): Abnormal Resistance negates the effect of abnormalities such as poison.

Swordsman (剣士)

Spirit Healing (精癒): Spirit Healing automatically begins regenerating Ais' mind at a low rate after using magic. It is a rare ability, with Ais noting that Riveria was the only person she knew that had it, and theorized that she got it herself from repeatedly using Ariel over the years.


  • Ais is rumoured to have rejected 1000 requests to have a courtship with her.
  • Ais' favorite food is Jagamarukun.
  • Ais's magic, Ariel, is named after the spirit of air from William Shakespeare's play The Tempest.
  • Ais only had 149 words of dialogue in the DanMachi anime.


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