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World Egg

The concept of a Reality Marble (固有結界(リアリティ・マーブル), Koyū Kekkai(Riariti Māburu)?, Innate Bounded Field) is one that centres around the materialization and projection of one's inner world onto reality following the Thaumaturgical Theory World Egg (世界卵, Sekai Tamago?).[1] Originally, it was an ability specifically had by daemons as their Alien Common Sense (異界常識, Ikai Jōshiki?), but has since come to include the unique Bounded Fields possessed by many people, such as the Twenty-seven Dead Apostle Ancestors and the greatest of magi who have made this ability available to use through a long time. As such, Reality Marbles represent the pinnacle of all Bounded Fields where the boundary line becomes the space itself.

The created worlds are completely cut off from normal reality, projecting their internal landscape and sealing off the regular World. Following the World Egg theory, the actualization of a Reality Marble is the result of switching the Self and the World while keeping the boundary the same. The size of the Self and the World is switched, enclosing the World in a small container while the Self is expanded. The contained World is the World Egg and the name of the theory. They will encase anyone within range, causing them to disappear from view. Magi are still able to feel the presence of the Bounded Field, and while they cannot be directly affected from the outside, a large burst of mana, such as Excalibur, may be able to disrupt them. The World constantly attempts to crush the unnatural bounded fields as they are not created by spiritual beings, meaning that it costs a great deal of magical energy to construct one and keep it stabilized. This generally only allows them to be used for a few minutes, but given their powerful nature, that is likely enough time to properly utilize them; even the strongest Dead Apostle cannot maintain a Reality Marble for more than a single night. Each world has its own set of patterns and rules, which can be said to be an invasion of reality by the diagram inscribed on the soul, and as it is just one aspect put into form, the user cannot add their own will into the form of the barrier.[2]

The practitioners can also make use of certain aspects of their Reality Marbles without activating them. Unlimited Blade Works is responsible for the Projection and Reinforcement abilities of its practitioners, and Rider is able to summon a single soldier from Ionioi Hetairoi at any time without bringing about the corrective impulses of the World. Some can be activated inside the body of the user, such as Unlimited Blade Works going out of control and creating swords inside of Shirou Emiya, and in a special case, Nrvnqsr Chaos only deploys his Reality Marble inside his own body, which allows him to avoid the corrective impulses of the World.

If two Reality Marbles are deployed at the same time, the stronger one will manifests. If both are at the same level, it becomes a "battle between two worlds;" in which both are deployed and one can defend in their Reality Marble or travel to the other.

The mechanics of a Reality Marble being activated when one is already established is unknown. Within SE.RA.PH of the Moon Cell, all areas are manifested as Reality Marbles, and they can be overwritten by those of Servants. Within Fate/EXTRA CCC, Archer's Unlimited Blade Works can be overwritten by Archer's own Unlimited Blade Works, Caster's Eightfold Blessing of Amaterasu, and Saber's Aestus Domus Aurea. It is unknown if this reflects an actual occurrence or if it is limited to a gameplay feature.

It is the closest magecraft to real Magics, a taboo among taboos, mystery among mysteries and one of the pinnacles for magi, so researches on it have been banned by the Mage's Association.[3][4] Obtaining a Reality Marble is not something every magus can achieve through research. Even Caster, far above all modern magi, can only construct "another world" of the same scale with enough time and expenses instead of a Reality Marble.[5] While obtaining a Reality Marble is very hard, a user can pass his Reality Marble down in some way once he gets it.[6]

In the case of Servants utilizing a Reality Marble, it will generally be limited to the Caster class due to the spell's nature as high thaumaturgy, but there are exceptions like Rider.[7] Those of the Berserker class will likely never be able to utilize them, meaning that most who use them will be powerful magi with low combat abilities.[8][9]

Reality Marbles and Marble Phantasm are both ways to create another world, but Reality Marbles turn everything into their own world that even its users cannot change, whereas Marble Phantasm manipulates only natural things as its users want. In other words, both ways have good and bad points.[2] Areas filled with grudges and remnants of strong regrets are like Reality Marbles to spirits.[10]

List of known Reality Marbles

List of known abilities similar to Reality Marbles

References

  1. [v] Fate/complete material III: World material - Theory of Magic - Magecraft: Reality Marble, p.045

    Reality Marble
    A Reality Marble, or innate barrier, is magic that manifests one’s mental landscape. Upon activation, the surrounding space is converted into a completely different landscape.
    The actualization of the internal landscape is explained by the “World Egg” magical theory, described in the diagrams below. A Reality Marble is the result of switching the Self and the World while keeping the boundary the same. At this time, the sizes of the Self and the World are swapped, and the World is confined in a small container. This miniature world is the titular World Egg for which the theory is named.

    Magical theory: World egg

    World Egg


    A representative example of a Reality Marble is Unlimited Blade Works, used by Emiya Shirou and Archer. This Reality Marble changes the entire world in the vicinity of the caster into a space where swords are accumulated, and any swords the user has seen even once become easily Projected. The mental landscape is one that seems like an ironworks or a forge — an endless field in which countless swords are planted, sparks leap through the air, and titanic gears grind in the distance. Due to the characteristic of being mental landscapes, Shirou’s and Archer’s Unlimited Blade Works closely resemble each other, but are different.

    Archerubw

    Reality Marble incantation
    Emiya Shirou and Archer must speak an incantation longer than five bars to use their Reality Marbles. The following is Shirou’s incantation:

    ENGLISH (JAPANESE)
    I am the bone of my sword. (My body is made of swords.)
    Steel is my body, and fire is my blood. (My blood is iron, and my heart is glass.)
    I have created over a thousand blades. (I have overcome countless battlefields.)
    Unaware of loss, (Never once retreating,)
    nor aware of gain. (nor attaining victory.)
    Withstood pain to create weapons. (The bearer is here, alone,)
    Waiting for one’s arrival. (forging iron atop a hill of swords.)
    I have no regrets. This is the only path. (Therefore, my life requires no meaning.)
    My entire life was “unlimited blade works.” (This body was made of infinite swords.)

    固有結界
    固有結界とは、自身の心象風景を具現化する魔術だ。 これが発動されると、 周囲の空間は、 まったく別の風景へと変化させられる。
    心象風景の具現化とは、右下の図によって示した魔術理論 "世界卵"によって説明される。 つまり自己と世界を、 境界をそのままにして入れ替えたものが固有結界だ。 この時、自己と世界の大きさが入れ換わり、世界は小さな入れ物にすっぽりと閉じ込められる。 この小さな 界が世界卵であり、理論の名前にもなっている。

    魔術理論・世界卵

    World Egg


    固有結界の代表例が、 衛宮士郎やアーチャーが使用する"無限の剣製(アンリミテッドブレイドワークス)"だ。 この固有結界は、自分の周囲の空間をこの世のすべての "剣"の要素が集結する空間に変え、一度でも見たことのある剣を容易く投影できるようにする。 その心象風景は果て無き荒野に無数の剣が突き刺さり、火の粉が飛び交い、遥か遠くには巨大な歯車が回っている製鉄所や鍛冶場のような風景である。心象風景という特性上、 士郎とアーチャーの無限の剣製の風景は、酷似しているが別物だ。

    Archerubw


    •固有結界の詠唱
    衛宮士郎やアーチャーは固有結界の使用に五小節以上の詠唱を必要とする。 以下は士郎の呪文例。
    I am the bone of my sword(体は剣で出来ている). Steel is my body(血潮は鉄で), fire is my blood(心は硝子).
    I have created over a thousand blades(たびの戦場を越えて不敗).
    Unaware of loss(ただの一度の敗走もなく).
    Nor aware of gain(ただの一度の勝利もなし).
    Withstood pain to create weapons.(担い手はここに孤り。) waiting for one's arrival(剣の丘で鉄を鍛つ).
    I have no regrets(ならば、). This is the only path(わが生涯に意味は不要ず).
    My whole life was(この体は、) "unlimited blade works"(無限の剣で出来ていた).

  2. 2.0 2.1
    [v] Tsukihime Dokuhon PlusPeriod - TSUKIHIME Dictionary: Reality Marble [Unusual talent], p.179

    Reality Marble [Unusual talent]
    Intrinsic Field.
    Originally referred to the alien common sense possessed by the beings called devils, but now also includes the unique boundary fields possessed by many people.
    A subset of marble phantasm, it erodes reality and gives form to the user's imagined world. It is the sorcery closest to magic, and a forbidden art within the Association.
    Unlike marble phantasm, however, the form of a reality marble cannot be freely adjusted. It is the manifestation of the user's one-and-only self, after all, so changing it with their will is impossible. On the other hand, since even things that are not part of nature can be influenced, perhaps it is actually even more amazing than marble phantasm, in a way.
    Marble phantasm, which can change the world at will, but only has influence over elementals and nature. Reality marbles, which are limited in use to a single pattern, but force everything to submit to the user's personal rules. Though the methods are different and they are each limited in their own way, the fact remains that they are both powerful abilities that change the world.
    …Properly speaking, reality marbles are only supposed to be used by elementals and devils, but given enough time it is possible for some advanced practitioners to complete a sorcery to give shape to their personal imagined world and create a reality marble of their own.
    Of course, if anything that isn't an extension of nature like an elemental creates an alien world, the world itself will crush it. As a result, the upkeep of a reality marble requires a vast amount of energy, and most individuals are only capable of using one for a few minutes at a time.
    Most of the 27 Dead Apostle Ancestors are capable of using reality marbles. Oh, and Nrvnqsr was able to escape the corrective influence of the world by using his reality marble within his own body. Way to go, Professor Chaos.

    固有結界【異能】

  3. [v] Melty Blood Act Cadenza PS2 Manual - Dictionary: Reality Marble [Unusual talent], p.056

    Reality Marble [Unusual talent]
    Intrinsic Field. Originally referred to the alien common sense possessed by the beings called devils, but now also includes the unique boundary fields possessed by many people.
    A subset of marble phantasm, it erodes reality and gives form to the user's imagined world. It is the sorcery closest to magic, and a forbidden art within the Association.

    固有結界【異能】
    リアリティ·マーブル。悪魔と呼ばれるモノが持つ異界常識であるが、今では多くのモノが持つにいたった独自の結界を指す。
    空想具現化の亜種で、その者の心象世界を形にし現実に侵食させた結界の事。最も魔法に近い魔術であり、魔術協会では禁呪のカテゴリーに入る。

  4. Reality Marble dictionary entry

    Reality Marble
    A Magecraft close to Sorcery. A taboo among taboos, a mystery among mysteries. One of the pinnacles for a magus.

    固有結界
    最も魔法に近い魔術。禁忌の中の禁忌、奥義の中の奥義。魔術師にとっての到達点の一つ。

  5. [v] Comptiq 2007-04 issue - Fate Dojo Q & A:
    Q: Although it did not appear in the works, can Caster use a Reality Marble?

    Q: Although it did not appear in the works, can Caster use a Reality Marble?

    A: Unfortunately, Caster cannot use it. But, if it is a magus of her level of excellence, by precisely constructing small magecraft and large magecraft, she can construct "another world" of the same scale, don't you agree? Well, the time and expenses required for that is vast, after all.

    Q:作中では出てきませんでしたが、キャスターは固有結界を使えますか?(神奈川県/樹根百合香)

    A:残念ながら使えません。が、彼女ほど超絶した魔術師なら、小さな魔術と大きな魔術を緻密に構築していく事で同規模の「異界」を作り上げられる でしょう。まあ、その為にかかる時間と費用はやっぱり莫大なものですが。

  6. Toraburu Hanafuda Travel Journal Normal Mode - Kirei Kotomine, Gilgamesh and Lancer Route - Final Stage

    Buruma : Fufu, do you know this? Reality Marbles can be passed down.

    ブルマ:ふふ、知ってる? 固有結界って継承できるのよ?

  7. Fate/Zero - Irisviel von Einzbern & Rider

    Irisviel:
    “How could this be….you could materialize the environment inside your mind…You aren’t a – magus?!”

    Rider:
    “Of course I’m not. This is not something I can do alone.”

  8. Fate/EXTRA - Touko Aozaki conversation

    Touko:
    "A Berserker? Are you sure you aren't mistaken? This Servant is using a large-scale reality marble, right? That's not a Berserker's style. A reality marble is highly advanced thaumaturgy. So if you think about it, a Caster makes more sense. …I'm sure there's more to the story, though."

  9. Fate/EXTRA - Female Student conversation

    Female Student:
    If you're talking about reality marbles, you won't see that many Servants using them. That Servant must be powerful to use a reality marble. The Master too, for that matter

  10. Fate/stay night Prologue - Day 2
Concepts
Bounded FieldConceptual WeaponMagic (Second MagicThird MagicFifth Magic) • Magical Spells (AstromancyGradation AirFlash AirTuning) • Marble PhantasmMystic CodeMystic Eyes (Mystic Eyes of Death Perception) • PsychicReality Marble
Creatures
BicornCentaurDaemonDead ApostleDemonDemon BoarDivine SpiritDollDragonD'yavol TronFairyFamiliarGazerGiantGolemHomunculusHumanHydraLamiaMagicianMagusMixed-BloodOniOuter GodPhantasmal SpeciesSoul EaterSphinxSpiritsVampireUltimate OneTenguTrue AncestorWitchWizardXianYaga
Holy Grail War
Anti-HeroCatalystCommand SpellBlackeningGreater Holy Grail of FuyukiLesser Holy Grail of FuyukiHeroic SpiritHoly GrailIncarnationMasterMirror WorldOverseerNoble PhantasmParameter RulesSaint GraphServant (Class CardDemi-ServantGrand ServantHigh-ServantPseudo-ServantServant Universe) • Servant classesSkill
Organizations
Holy Church (Burial Agency (Remake)) • Chaldea Security OrganizationDemon Hunter OrganizationMage's Association (Clock TowerAtlasWandering Sea) • Spiral ManorSummit CourtThe Twenty-seven Dead Apostle Ancestors (Remake)
Terms
AdvantageAkashaAuthorityAnti-Purge DefenseCounter ForceIncantationsImmortalityElementsWorldWorld of MagecraftMagic CircuitMagical EnergyMagic CrestMagical WorkshopMysterySoulSpiritronStarlogResurrectionTextureTime TravelTradition ProtectionParallel WorldQuantum Time-LockUnderworld
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