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Ryuu Lion (リュー・リオン) is a waitress at the Hostess of Fertility and former adventurer of the Astraea Familia.


Ryuu is a female Elf with sky blue eyes and green hair. Her hair was originally golden blonde until her hair was dyed green by the other employees of the Hostess of Fertility. She is mentioned to be extremely beautiful with skin as white as snow, causing her to be referred to as a fairy on several occasions, and even making Bell wonder if he had wandered into a fairy tale.

Ryuu is often seen in a green maid outfit with a white frilled headband, matching white apron, and a pair of brown boots over black leggings.

Her adventuring attire includes a green flower-shaped hood and a white sleeveless top underneath. She also wears a pair of long, brown gloves and boots with a white sash around her waist where she keeps her wooden sword and a pair of short swords


Bell, Syr, and Ryuu 2.png

Ryuu is calm and stoic but also cares deeply for her friends. She is strong due to her past experience as an adventurer. When a person related to her or her friends are in danger or in need of help, she is always ready to step in and help no matter the cost.

Like many Elves, Ryuu is selective with who may touch her. However, she has been advised by Alise to not let go of a man that was able to grab her hands, and began to follow Bell with her eyes. Unlike most Elves, she doesn't bear the same hatred towards the Crozzo family or their magic swords for their role in the destruction of the forests the Elves lived in, stating that the event took place many years ago and that her village wasn't directly affected.


Ryuu was the member of a family that cared for the sacred tree in their home forest of Ryumilua. As time passed, she began to think that beautiful Elves were the ugliest of all people, due to seeing her fellow Elves' behavior toward those of other races. No matter how much she tried to forget it, once she began thinking about it, the thought firmly planted itself in her mind. Eventually, the thought became enough to make her decide to leave the forest.

After arriving in Orario, Ryuu became an adventurer known as Gale, belonging to the Astraea Familia. She was caught in a trap set by Evilus and all of her fellow Familia members were murdered. Overcome with vengeance, she persuaded Astraea to leave Orario as she didn't want her to see her revenge. After that, she single-handedly destroyed the Rudra Familia as a part of her rampage and those associated with Evilus through various trickery, traps, and assassinations, causing her to be branded as a fugitive as a result of the ensuing chaos. Her revenge finally fulfilled, she collapsed in an alley where she nearly succumbed to her injuries. Fortunately, she was discovered by Syr and nursed back to health by Mia Grand. Ever since then, she has joined the Hostess of Fertility.


Skilled Fighter: As the guardian of the sacred tree of her native forest, Ryuu was trained in combat to defend it, becoming skilled in the use of the bow and sword. Her ability was such that even without possessing a falna she was capable of defeating monsters from the surface.

Aside from this, Ryuu knows some techniques from the Far East that she learned from Kaguya, with whom she used to share techniques while they competed with each other.

  • Tachi Technique (太刀の技): A drawing technique that consists in quickly pulling a sword out of its sheath to cut through enemies. The technique was originally Kaguya's and, although she is capable of using it, Ryuu acknowledged that she is not as good as her. This was later remarked by the author, who said that if Kaguya's degree of perfection was 10, Ryuu's would be approximately 4. Despite this, Ryuu is skilled enough with it to take down monsters from the Deep Floors. The technique is also useful against people.

Concurrent Chanting (並行詠唱): A high-level technique involving casting magic while fighting or moving around. Its difficulty is likened to dealing with a bomb with both hands while fighting due to the chance of failing a chant or not being able to control their own magic power. Lefiya Viridis observed that Ryuu was far more skilled at it than Riveria Ljos Alf.


Luminous Wind (ルミノス・ウィンド): Luminous Wind is Ryuu's wind and light element wide-area offensive magic that summons green stardust to attack her enemy. The stardust gathers in several orbs which Ryuu can release all at once to cover a wide area or keep some near her to apply them at a convenient moment. She can make a single orb explode with the chant Luvia (星華(ルヴィア))

In her fight against the Juggernaut she made a creative use of the orbs by employing their explosions to propel herself into the air and perform aerial maneuvers to move. However, this caused some considerable damage to her body, making it an impractical fighting technique.

Noah Heal (ノア・ヒール): Noah Heal is Ryuu's healing magic. It is capable of healing wounds and restoring the target's stamina, though unlike the effects of potions it takes time to heal. The effect of magic depends on the surrounding environment. Effect rises in forested areas.


Fairy Serenade (妖精星唱(フェアリー・セレナード)): Fairy Serenade increases the effects of magic and the effect rises at night.

Mind Load (精神装填(マインド・ロード)): Mind Load increases Ryuu's strength stat when attacking by using mind. It has an active trigger.

Aero Mana (疾風迅雷(エアロ・マナ)): Aero Mana increases Ryuu's attack power the faster she's running. A blue flash borders her weapon when she uses it.

Development Abilities[]

Hunter (狩人): Hunter improves abilities against monsters Ryuu has fought before and gained excelia from.

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

Magic Resistance (魔防)



Kodachi Futaba (小太刀・双葉): Kodachi Futaba is a pair of short swords that Ryuu received from Kaguya. They are sharp and are considered to be fine works among all second class weapons. These were the only weapons that she didn't leave on the Astraea Familia grave.


Alf's Lumina (アルヴス・ルミナ): Alf's Lumina was an order made wooden sword created by the Goibniu Familia from a branch of the holy tree in Ryuu's home forest of Ryumilua. On top of having high attack power and durability, it had the ability to amplify magic. It was highly compatible with Elven magic power and could be used as a staff. It was destroyed during her fight against the Juggernaut in volume 13.


  • Originally, Ryuu referred to Bell by his surname, calling him Cranel-san. Despite this, she had referred to him twice by name; once during the battle against the Black Goliath, and the second time after he was hit by the Juggernaut's tail. After their return from the 37th Floor, she refers to him by his name.
  • Ryuu once had a bounty of 80,000,000 valis placed on her.
  • The author revealed that Ryuu's birthday is in March.
  • The author mentioned that Ryuu leveled up every level until Level 4 at a one year to one and a half year pace.
  • According to the author, Ryuu is stronger than Anakitty Autumn, who is one of the best Level 4 adventurers in Orario.