MotoMusu Glossary

I wanted to put together a small page for certain references included in the novel that aren’t clearly defined, either due to my own liberal translations (or lack thereof) of Japanese terms and also certain lesser known terms for certain monsters and items present in the story.

None of this information is critical to understanding the story, but be aware there may be spoilers for the latest translated chapters. If I got anything wrong, I’m sure you’ll let me know in the comments below. I’ll be updating this regularly.

Arsene Crowley

The semi-immortal Phantom Thief, who aims to steal away Princess Grimhilda of the Land of Demons on the eve of the summer solstice.

‘Arsene Crowley’ is a portemaneu of two shadowy figures from history and fiction. ‘Arsene’ refers to Arsene Lupin, the phantom thief and master of disguise from French author Maurice Leblanc. ‘Crowley’ likely refers to Aleister Crowley, an English occultist and leading figure in the establishment of Satanism.



The name of the minotaur and A-Rank adventurer who instructs the rookie training party that Shirley accompanies to Jewelsaad Mine.

Asterios (alternatively Asterion or Asterius) was the name of the Minotaur that guarded the Cretian labyrinth, who was slain by the legendary Athenian hero, Theseus.


Lumiliana’s sword, a treasured heirloom of the Regnard family, that she used to duel against Shirley. It has the ability to call upon all five elements in order to assist its wielder.

Mordred’s weapon; Clarent, was a sword that represented peace and prosperity alongside King Arthur and the Knights of The Round Table. After Mordred’s use of the blade, it had the blood of its owner on it and was used by a traitor and coward, as such the blade was known after its use as the Coward’s Blade or the Sword of Cowardice.


The heirloom blade of the Wolff family, wielded by the current head Gran Wolff. It is supposedly indestructible and grants its wielder power by absorbing the life force of defeated foes.

Dáinsleif (“Dáinn’s legacy”) is king Högni’s sword, according to Snorri Sturluson’s account of the battle known as the Hjaðningavíg. Högni himself said that the sword ‘must cause a man’s death every time it is bared’.

Dragon Kings

There are eight dragon kings, of which three invade the Kingdom at once as the day of Shirley’s much-anticipated class visit loomed. In the interest of space, I’ll only briefly go over them.

Siegfried – A legendary German hero who achieved many deeds, including slaying the dragon Fafnir.
Fafnir – The aforementioned evil dragon, slain by Siegfried.
Susanoo – Susanoo no Mikoto is the Shinto god of sea and storms, who slew the eight-headed dragon Yamata no Orochi
Vritra – A Hindu mythological dragon, the personification of drought.
Georgios – More commonly known in English as Saint George, a dragon slayer and the patron saint of England, Georgia and the Crusaders.
Aži Dahāka – An evil dragon of Persian mythology, the son of Angra Mainyu.
Beowulf – An ancient Norse hero who slew a dragon at the cost of his own life.
Níðhöggr – Also known as Nidhogg, this is the Norse mythological dragon said to gnaw at the root of the world tree, Yggdrasil.


A strange, foreign sword that Shirley buys from Dimros, said to cause wounds that wouldn’t heal with magic.

A Flamberge is a type of European sword, typically a greatsword, which had a wavy blade, possibly to increase the cutting surface or for aid in parrying.

Giant Centipede

The massive centipede that Kyle and his party fight in a demihuman populated forest.

Ōmukade (大百足) are monstrous mukade–centipedes (Scolopendra subspinipes) with dark bodies and bright orange legs and heads. They are often depicted with dragon-like features. While their non-monstrous cousins can grow up to 20 cm in length, the upper size limit on yōkai mukade is not known.


As Shirley stands over Rudolph, incensed with rage as he attempted to kidnap her daughters, for a moment he believes he sees her as an incarnation of this goddess.

Originally a child-devouring Yaksha from Hindu lore named Hāritī, but she repents and converts to Buddhism. In Japan, she is known as Kishimojin, the guardian deity of children and happy families.

Flame Steel

A rare material that was used to forged one of Shirley’s magical blades. Translated as ‘Flame Steel’, in the original Japanese it is called Hihirokane.

Hihīrokane, described in the apocryphal Takenouchi Document, an alleged ancient writing in a lost script which details Japan’s early history, Hihīrokane was used in the time of Emperor Jimmu, Japan’s first emperor. The Kusanagi-no-tsurugi and the other Imperial Regalia of Japan are supposedly made from it. Its weight is lighter than gold, but harder than diamond. It does not rust. It was even said to be able to bring water to a boil without heat, violating the Law of Conservation of Energy.


Shirley’s blue blade, one of the pillars of an ancient tyrant referred to as the ‘Citadel of the Country’.

The son of the Sumerian god Ningirsu and twin to Sul-Sagana, he was known as a gatekeeper. Alternatively, Ig-Alima was a blue scimitar that belonged to the Mesopotamian War God; Zababa.


One of Shirley’s magic swords, a grotesque weapon pulsating with blood vessels and veins. She uses it to open up a maze-like alternate world in which to trap and torture Rudolph.

Ipetam was a legendary Ainu sword, it’s naming literally meaning the ‘devouring blade’ or ‘the blade that eats people’.


A rare material that was used to forge one of Shirley’s magical blades.

Orichalcum is a legendary precious metal that was mentioned by Plato as used in Atlantis. Orichalcum appears in many other places in classical Greek and Roman writings, such as Homer’s epics.


A formidable, misanthropic creature that Shirley fights in order to provide materials for Grania’s ritual.

The Peryton is said to have the head, neck, forelegs and antlers of a stag, combined with the plumage, wings and hindquarters of a large bird, although some interpretations portray the Peryton as a deer in all but coloration and bird’s wings.

According to Borges, Perytons lived in Atlantis until an earthquake destroyed the civilization and the creatures escaped by flight. A Peryton casts the shadow of a man until it kills one during its lifetime, at which time it starts to cast its own shadow. A Sibyl once prophesied that the Perytons would lead to the downfall of Rome.


Shirley’s red blade, twin to Ig-Alima, called the ‘Fortress of the Faith’. It has the power to absorb magical energy and redirect it as wing-like masses of energy behind its wielder.

Shulsaga (Sulsaga) is an astral goddess in Sumerian mythology.



  1. I’m really sorry for my shitty misread
    But first time I read the twin sword’s name, I first though blue blade named ‘Ig-Aligma’

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