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Sphinx is a major antagonist in the Japanese dark fantasy franchise Re:Zero − Starting Life in Another World. Although she has thus far only been mentioned in the main 2014 light novel series, Sphinx made an appearance as the main antagonist of The Love Song of the Sword Devil, the second volume of the spin-off light novel series Re:Zero − Starting Life in Another World Ex. She also acts as the main antagonist of the manga adaptation of The Love Song of the Sword Devil.

Sphinx was a replica of a half-elven girl named Ryuzu Meyer created through magical methods over four hundred years ago by the Witch of Greed Echidna. Echidna had sought to gain immortality by transferring her soul into the body of one of Ryuzu Meyer's replicas, and, as Sphinx was the first replica created, it was her whom Echidna attempted to possess. However, unfortunately for the Witch of Greed, her soul was too large for the body of Sphinx to contain.

Ultimately, Sphinx was only able to absorb a portion of Echidna's memories, resulting in a replica whose mental state was severely distorted. Sphinx was abandoned by Echidna, who continued to experiment on Ryuzu Meyer by making many more replicas. With no purpose, Sphinx began wandering the world in the hopes of becoming complete like her creator. Fortunately for her, the replica of Ryuzu did inherit a large portion of her creator's knowledge on magic, making Sphinx a potent mage.

Centuries after her creation, Sphinx became one of the three leaders of the Demi-Human Alliance alongside Libre Fermi and Valga Cromwell. The Demi-Human Alliance was am enormous insurrectionist force comprised entirely of demi-humans hellbent on the destruction of the Kingdom of Lugunica. The brutal civil war between the Alliance and Imperial Knights of Lugunica raged on for years and engulfed the entire Kingdom. Seven years into the Demi-Human War, Sphinx, Fermi, and Cromwell were defeated during an incursion in the Lugunican Royal Palace. However, unbeknownst to the forces of Lugunica, both Sphinx and Cromwell survived.


Despite being around four hundred years old, Sphinx perpetually maintained the body of a girl roughly ten to twelve years of age. Her dark cyan eyes and charming face usually proffered an emotionless expression befitting of her mental state. As a half-elf/half-human hybrid, Sphinx's ears were distinctively pointed. She had long fluffy light-pink hair that curved outwards at its ends and trailed down to her hips. As a replica of Ryuzu Meyer, she was physically identical to the original and all of the other copies.

The only thing Sphinx wore over her body was a long white robe. Even her feet were left completely bare. Despite her innocent physical appearance, Sphinx radiated a massive aura of malignance and malintent that indicated her existence as abominable. Her demeanour of evil was so powerful that Sphinx had no way of hiding it.


Ryuzu Meyer was a young half-elven girl around twelve years of age that became indebted to the Witch of Greed Echidna. The Witch, with Ryuzu's permission, began experimenting on Meyer in a secret laboratory. Echidna sought to unlock immortality by cloning Meyer and transferring her consciousness to the clone, meaning she could live for ever through a long line of different clone bodies. She was able to create the first five clones of Ryuzu, the first of which she decided to transfer her conscious into. However, the quantity of information contained within Echidna's soul proved too much for the clone body to handle, resulting in an emotionless girl with a fractured mind who possessed a vast amount of magical knowledge and power, albeit not close to the level of Echidna herself.

The girl left the laboratory and journeyed into the world with the hopes of gaining a full mind. For the next few centuries the rogue clone, now known as Sphinx, travelled the world in relative obscurity. Around three hundred and fifty years later, Sphinx became involved with the Demi-Human Alliance, a large insurrectionist force based within the Kingdom of Lugunica. The Alliance, made up entirely of the marginalized demi-human races, sought to reap the blood of their oppressors, starting a civil war as a result. Alongside the giant strategic mastermind Valga Cromwell and the master duellist Libre Fermi, Sphinx was considered one of the heads of the Alliance, although her involvement was kept relatively secretive.

Two years into the civil conflict known as the Demi-Human War, Sphinx planted numerous magical circles around Castour Field (the site of an upcoming battle) at the behest of Valga Cromwell. These magic circles exploded when triggered by a person walking over them much like a landmine. During the Battle of Castour Field as it became known, Sphinx's magic circles worked with brutal efficiency, laying waste to the Lugunican army and contributing to the Demi-Human Alliance's subsequent victory.

Roughly forty years after the end of the Demi-Human War, Sphinx was mentioned by Ryuzu Bilma, one of the other four original clones of Ryuzu Meyer. Bilma, like the other four, had remained in the territory surrounding the laboratory for the last four centuries. One night, she indirectly mentioned Sphinx to the Japanese teenager Subaru Natsuki whilst explaining the origins of Ryuzu's various clones. Bilma also mentioned Sphinx's apparent death at the hands of Roswaal J. Mathers.

Powers & Abilities

  • Photokinesis: Using light magic, Sphinx was able to conjure and manipulate visible light into beams of scorching heat that laid waste to whatever object stood in its way. Offensive light magic was Sphinx's preferred method of combat. Like most spells, there were four levels of offensive light magic that increased in intensity and amount depending on the level. The most basic offensive light spell was "Ziwald" that allowed the caster to project a single beam of concentrated light out of a finger that was so fast that even the trained human eye could barely register it. Sphinx could also use the ultimate version of the Ziwald spell—"Al Ziwald." Al Ziwald, which was the most powerful offensive spell in Sphinx's arsenal, consisted of a single ray of light projected from the Witch's entire palm. The spell was much faster and larger in scale than any of the other Ziwald variations and was easily the most destructive, usually annihilating anything in its path. That being said, the soldier Grimm Fauzen was still able to deflect Al Ziwald with his shield.
  • Thermokinesis: Contrary to its name, fire magic was the manipulation of temperature rather than flames. By superheating the air around her, Sphinx could produce and manipulate fire. During her first encounter with Roswaal, Sphinx attempted to incinerate Wilhelm Trias with a vortex of flames, although the master warrior abated the fire with his sword.


List of Appearances

Light Novel

Ex Volume 2

  • The Love Song of the Sword Devil: Second Stanza (First appearance)
  • The Love Song of the Sword Devil: Third Stanza
  • The Love Song of the Sword Devil: Fourth Stanza
  • The Love Song of the Sword Devil: Fifth Stanza
  • The Love Song of the Sword Devil: Sixth Stanza
  • The Love Song of the Sword Devil: Seventh Stanza (Mentioned only)

Volume 12

  • Chapter 2: I've Already Seen Hell (Mentioned only)
Manga Adaptation

Chapter 3: Truth of Zero

  • Chapter 31: Wilhelm van Astrea (First appearance) (Appears in flashback(s)) (Obscured)


  • Sphinx's first appearance in The Love Song of the Sword Devil predated the initial appearances of the original Ryuzu Meyer and any of her other replicas by roughly ten months.
  • There are visual inconsistences between the description of Sphinx provided in The Love Song of the Sword Devil and the colored illustrations that accompanied it. Within the light novel, Sphinx's robe was referred to as white, yet a colored illustration displayed it as black. Additionally, the manga adaptation presented the robe as black.

External Links


                    ReZero logo.png Villains
Witch Cult
Capella Emerada Lugunica · Louis Arneb · Lye Batenkaitos · Pandora · Petelgeuse Romanée-Conti · Regulus Corneas · Roy Alphard · Sirius · Stride Volakia
Witches of Sin
Carmilla · Daphne · Echidna · Hector · Minerva · Pandora · Satella · Sekhmet · Typhon
Black Serpent · Great Rabbit · White Whale
Gusteko Assassin Organization
Elsa Granhiert · Mama · Meili Portroute
Balleroy Temeglyph · Bean Argyle · Heinkel Astrea · Kurgan · Melaquera · Miles · Reid Astrea · Roswaal Mathers · Sphinx · Ton, Chin, and Kan