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Azure Grimoire

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The Azure Grimoire (蒼の魔道書 Ao no Madōsho, Blue Grimoire), also known as the BlazBlue (蒼の魔道書(ブレイブルー) BureiBurū, Blue Grimoire) is the so-called "strongest" grimoire, also known as the "original codex", and can tap into the power of the Azure.


Despite being called a grimoire, its form is not that of a book, but rather a high-density mass of concentrated seithr similar to the Black Beast. It has no fixed form. It originally had the form of a jet black rock shaped in the fashion of a human without a head when it was in the possession of Rachel Alucard. After Ragna the Bloodedge touched it, it crumbled, turned into a mist, swallowed him in darkness, and then took the form of his right arm, despite still having the same obsidian blackness.[1] Because it requires life force to function, Ragna absorbs life from other people. In actuality, Ragna's grimoire is only a prototype. Yūki Terumi is the original creator of the Azure Grimoire prototypes, the more "perfected" of which was used in the process of creating his artificial bodies: Kazuma Kval and Hazama (though his version is also still far from being the real thing). Terumi said that the Azure Grimoire's original form was a Cauldron, whose purpose is to gather souls. The Azure, when released, also has the ability to grant several advantages to its owner, such as increasing their stats or producing a magical glyph to strain the enemy, as seen with the previous two users: Ragna and Hazama.

One of its weaknesses, is that the Azure Grimoire will remember the wounds that were dealt to the soul, to the point of transcending even Phenomenon Intervention. Continuous corrosion of it, might even cause ruptures of other phenomena as well.[2]

Mu -No. 12- is the one with the True Azure, inheriting it without the use of a Grimoire, though it takes Terumi tempering her in a new Cauldron so it can be harnessed along with the power of the Eye.

Arakune is obsessed with finding the energy of the Azure. He hunts down those that exude the same energy or traces of the Grimoire. Coming into contact with the energy is what caused his form to degrade into the monster that he is. During his story, he manages to warn Litchi that she is being devoured by the energy as well, and that she should resist the temptation to embrace it any further.

Judging from what's been stated about smelting a Nox Nyctores, it takes thousands and thousands of souls. The reason the cauldron of Kagutsuchi is there is because it is where the 13th Prime Field Device, Nu was smelted. When the cauldrons are activated, a space time continuum is created to form a protective cocoon for the medium, and that's presumably the force for the Black Beast's time travel.

Ragna the Bloodedge (Continuum Shift, Story Mode Illustration, 6, Type B)

Ragna loses control over the Azure Grimoire, becoming the Black Beast

In Ragna's Bad Ending in BlazBlue: Continuum Shift, after Rachel wins against Ragna in a fight, she tells him to "Never mistake the power of the Azure Grimoire as your own". Ragna responds by saying he will use his own power to shape his destiny. After Rachel leaves, Ragna's right arm begins to shake violently and seithr starts to generate. Ragna then sees an image of himself, being fully consumed by the darkness of the Grimoire. As quickly as this moment come does it vanish, leaving Ragna exhausted. Inside a Cathedral, Ragna encounters Jin Kisaragi, forcing him to use the Azure Grimoire. As Ragna wins, he loses the last of his self-control and becomes the Black Beast itself, causing almost all of the planet to be destroyed. As Jūbei and Rachel see Ragna off, she tells him that she is sorry, and that none of this was his fault and that she will see him in another world.

According to Litchi's realization, the Azure Grimoire is a Boundary itself, an Azure surrounded by limitless amounts of seithr.[3]

Owners of the Azure Grimoires

A list of those who have owned an Azure Grimoire:


In each BlazBlue installment, the activation code seems to change throughout time for different characters:


Restriction 666 released, Dimensional Interruption Imaginary Number Formed! Azure Grimoire, Activate!
―Ragna, Calamity Trigger
Restriction 666 released, Dimensional Interference Field Deployed! BlazBlue, Activate!
―Ragna, Continuum Shift
Restriction 666 released, Dimensional Interference Field Deployed! Now Engaging The Idea Engine! BlazBlue, Activate!
―Ragna, with the Idea Engine
Restriction 666 released, Dimensional Interference Field Deployed! Code S.O.L., BlazBlue, Activate!


「第666拘束機関解放、次元干渉虚数法陣展開、蒼の魔道書(ブレイブルー)、起動!」, Dai roku roku roku kōsoku kikan kaihō, jigen kanshō kyosū hōjin tenkai, BureiBurū, kidō!
「第666拘束機関解放、次元干渉虚数法陣展開、イデア機関接続、蒼の魔道書(ブレイブルー)、起動!」, Dai roku roku roku kōsoku kikan kaihō, jigen kanshō kyosū hōjin tenkai, Idea Kikan setsuzoku, BureiBurū, kidō!
―Ragna, with the Idea Engine
「第666拘束機関解放、次元干渉虚数法陣展開、コードエスオーエル…碧の魔道書(ブレイブルー)、起動!」, Dai roku roku roku kōsoku kikan kaihō, jigen kanshō kyosū hōjin tenkai, kōdo S,O,L… BureiBurū, kidō!



  • "Code" is another word for Grimoire.
  • "S.O.L." is short for "Souls of Language".[4]
  • "Restriction 666" likely refers to 666 being the number of The Beast in the Bible.
  • In the original Japanese version, Hazama's Azure Grimoire is spelled with the kanji 碧 (ao) instead of 蒼 (ao); due to ambiguities in Asian languages, ao can mean either blue or green, hence Hazama's overtly green color scheme.
  • Contrary to popular belief, Nu's eyepatch is not an Azure Grimoire, but a Magic Power Regulation Device (魔力調節機 Maryoku Chōsetsuki) to keep seithr absorbed into her body from spinning out of control.
    • Despite this, Nu recites the BlazBlue activation spells during her Astral Heat.


  1. BlazBlue Material Collection, Endless Waltz short story
  2. BlazBlue: Chronophantasma, Story Mode, Chronophantasma Story, Episode 1
  3. BlazBlue: Continuum Shift, Story Mode, Litchi stories, erosion
  4. BlazBlue: Chronophantasma Material Collection

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