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The soul wavelength (魂の波長, Tamashī no hachō), also known simply as Bankai (波長, Hachō), is the "sound" (or "rhythm") of one's soul.[1] It is the part of the soul which is invisible to both the naked eye and that of soul perception visually, though it can be sensed. In representation in the series, it is often like that of cogs in a machine due to the importance of all meisters and weapons who are paired having compatible soul wavelengths[2].

Overview[]

Being the rhythm of the soul itself, the soul wavelength carries some of the characteristics of a character that helps a user of soul perception determine the characteristics of an individual. As such, a meister can determine a character's personality and race/species.[1] In addition, the wavelength of an individual is similar to that of their parents and as such, may inherit some of their personality and traits.[3]

Meister/weapon importance[]

The soul wavelength is also important, being the very mechanic that enables a weapon to pair up with a meister. A meister and weapon are comparably worked like a electric guitar and an amp: the sound (soul wavelength) that comes from an electric guitar (Meister) is rather faint. However, when connected to an amp (Weapon), the soul wavelength is amplified, giving it lots of power. In short, the combination of two soul wavelengths combine and amplifies the meister's wavelength and in turn, gives them power and the ability to achieve a soul resonance.[4]

Rejection[]

However, there's a chance in which two people may be incompatible with one another, making them unable to hold another demon weapon.[5] The effects of what is known as rejection may vary, such as a weapon being too heavy to be picked up, or the scalding of the meister's hands. Additionally, a meister attempting to utilize a demon weapon without a matching wavelength puts an enormous amount of strain on them, both physically and mentally.[6] Demon Weapons whose wavelengths are incompatible to their meister's risk having their meister attack them with their soul wavelength, which can cause internal damage to them, even in their weapon form, and can cause them to bleed.[5] Various factors can influence a rejection, such as two personalities clashing hostilely. Those with similar personalities, ironically, cannot create the most powerful of Soul Resonance and are less compatible.[7]

Usage[]

Certain meisters and other beings are able to use their wavelengths offensively, giving birth to techniques like that of Soul Menace.[1]

Training[]

Meisters and weapons improve upon coordinating their soul wavelengths through Soul Resonance training, usually associated with the Death Weapon Meister Academy. This training takes the form of classroom work and extracurricular lessons, including tests such as the Super Written Exam to review knowledge.[8] Meisters and weapons can also use certain practices and objects, such as mood-altering candles to enhance emotions for the sake of working through personality differences,[9] or dancing to better coordinate their resonance.[10]

Wavelength entities[]

Soul Eater Chapter 33 - The Will of the Nakatsukasa

The Will of Nakatsukasa, a wavelength entity.

Wavelength entities are beings which originate from the soul wavelength of special clans and families such as that of the Nakatsukasa Clan. These entities are capable of allowing the full power of a clan's most powerful transformations like that of the Uncanny Sword and as such, can be infamous.[11] Another type of Wavelength Entity seems to represent and embody the inner madness within a person's soul. Unlike the former type, these are usually malevolent and have the intention of drawing the host and those around them into madness. One of these was created within Soul Eater's soul as a result of him intaking Black Blood from Crona.

These entities seemingly lie within a host who holds the power/transformation in question and inhabit within the soul. Direct communication with them requires a Soul Resonance.[11]

List of known wavelength types[]

Image Name Description
Chapter 83 - Feodor uses Anti Demon Waveleth Full Force with the Demon Cannon (Tsar Pushka) Anti-Demon Wavelength A special, rare soul wavelength capable of driving away malevolent forces.[12]
Soul Eater Chapter 83 - Madness leaks from the Moon Madness Wavelength A powerful soul wavelength capable of driving people towards madness.[13]
Chapter 25 - Girikos murderous wavlength Murderous Wavelength A soul wavelength carried by those whom harbor a strong, negative anger. Certain beings, whom posses this wavelength in excess, can use it to build up fighting power.[14]
Soul Eaer Chapter 81 - Deaths Power of a God wavelength Death's Wavelength A incredible destructive soul wavelength carried by Death, able to utterly destoy even the most powerful of creatures on Earth.[15]

References[]

  1. 1.0 1.1 1.2 Soul Eater Manga: Chapter 2
  2. Soul Eater Manga: Chapter 9
  3. Soul Eater Manga: Chapter 39
  4. (Yen Press) Soul Eater Manga: Chapter 2 — Death:
  5. 5.0 5.1 Soul Eater Manga: Chapter 3
  6. (Yen Press) Soul Eater Manga: Chapter 11 — Tsubaki: If she uses a weapon who's soul wavelength doesn't matches hers, it will put strain on her not just physically, but mentally too.
  7. (Yen Press) Soul Eater Manga: Chapter 107 — Soul: You can't build the ultimate rhythm with a bunch of the same personalities.
  8. Soul Eater manga: Chapter 12
  9. Soul Eater Chapter 10
  10. Soul Eater Chapter 15
  11. 11.0 11.1 Soul Eater Manga: Chapter 33
  12. Soul Eater Manga: Chapter 11
  13. Soul Eater Manga: Chapter 23
  14. Soul Eater Manga: Chapter 26
  15. Soul Eater Manga: Chapter 81

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