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|image_gallery=[[Kaigaku/Image Gallery]]
 
|image_gallery=[[Kaigaku/Image Gallery]]
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}}{{Nihongo|'''Kaigaku'''|{{Ruby|獪|かい}}{{Ruby|岳|がく}}|Kaigaku}} was a former [[Demon Slaying Corps|Demon Slayer]] and [[Zenitsu Agatsuma]]'s senior disciple under former [[Pillars|Pillar]] [[Jigoro Kuwajima]]. However, he became a [[Demon]] to save his own life and later became the Upper Moon Six of the [[Twelve Demon Moons]], replacing [[Daki]] and [[Gyutaro]].
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{{Nihongo|'''Kaigaku'''|{{Ruby|獪|かい}}{{Ruby|岳|がく}}|Kaigaku}} was a former [[Demon Slaying Corps|Demon Slayer]] and [[Zenitsu Agatsuma]]'s senior disciple under former [[Pillars|Pillar]] [[Jigoro Kuwajima]]. However, he became a [[Demon]] to save his own life and later became the Upper Moon Six of the [[Twelve Demon Moons]], replacing [[Daki]] and [[Gyutaro]].
   
 
==Appearance==
 
==Appearance==
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'''Enhanced Breath Techniques:''' As a Demon, Kaigaku's Breath of Thunder techniques were reinforced and increased in strength. However, he was still being attuned to his newfound Demon abilities at the time of his death. [[Yushiro]] commented that had he been given another year, Kaigaku's strength would have crushed Zenitsu on the spot.
 
'''Enhanced Breath Techniques:''' As a Demon, Kaigaku's Breath of Thunder techniques were reinforced and increased in strength. However, he was still being attuned to his newfound Demon abilities at the time of his death. [[Yushiro]] commented that had he been given another year, Kaigaku's strength would have crushed Zenitsu on the spot.
   
[[Blood Demon Technique|'''Blood Demon Techniques''']] (血けっ鬼き術じゅつ Kekkijutsu?): Kaigaku had completely merged his Blood Demon Arts with his Breath of Lightning sword attacks,successfully creating the effect where his slashes and sword swings immediately cracks his opponents skin and burns their flesh when he slashes his opponents bodies,effectively increasing the lethality of his already powerful sword strikes.This also gives his attacks a black lightning like visual appearance
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{{nihongo|[[Blood Demon Technique|'''Blood Demon Techniques''']]|血けっ鬼き術じゅつ|Kekkijutsu}}: Kaigaku had completely merged his Blood Demon Techniques with his [[Breath of Thunder]] sword attacks, successfully creating an effect in which his slashes and sword swings immediately cracked his opponents skin and burned their flesh, effectively increasing the lethality of his already powerful sword strikes. This also gave his attacks a black lightning-like appearance.
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===Swordsmanship===
 
===Swordsmanship===
{{Nihongo|'''[[Breath of Thunder|Breath of Thunder Style]]'''|{{Ruby|雷|かみなり}}の{{Ruby|呼|こ}}{{Ruby|吸|きゅう}}|Kaminari no Kokyū}}: Taught to Kaigaku by a former [[Pillars|Pillar]], Jigoro Kuwajima. Despite being unable to master the first style, Kaigaku was capable of learning the other five styles of the Breath of Thunder.And like Kokushibo,he had completely combined his Blood Demon Arts with his Breath Style to increase its power.
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{{Nihongo|'''[[Breath of Thunder|Breath of Thunder Style]]'''|{{Ruby|雷|かみなり}}の{{Ruby|呼|こ}}{{Ruby|吸|きゅう}}|Kaminari no Kokyū}}: Taught to Kaigaku by a former [[Pillars|Pillar]], Jigoro Kuwajima. Despite being unable to master the first style, Kaigaku was capable of learning the other five styles of the Breath of Thunder. Like Kokushibo, he had completely combined his Blood Demon Techinque with his Breath Style to increase its power.
 
*{{Nihongo|'''Second Style: Lightning Ball'''|{{Ruby|弐|に}}ノ{{Ruby|型|かた}} {{Ruby|稲|いな}}{{Ruby|魂|だま}}|Ni no kata: Inadama}}<ref>''Kimetsu no Yaiba Manga'': [[Chapter 145]], Page 7</ref> - A series of five straight attacks all performed in a single moment.
 
*{{Nihongo|'''Second Style: Lightning Ball'''|{{Ruby|弐|に}}ノ{{Ruby|型|かた}} {{Ruby|稲|いな}}{{Ruby|魂|だま}}|Ni no kata: Inadama}}<ref>''Kimetsu no Yaiba Manga'': [[Chapter 145]], Page 7</ref> - A series of five straight attacks all performed in a single moment.
 
*{{Nihongo|'''Third Style: Swarming Mosquito Thunder'''|{{Ruby|参|さん}}ノ{{Ruby|型|かた}} {{Ruby|聚|しう}}{{Ruby|蚊|ぶん}}{{Ruby|成|せい}}{{Ruby|雷|らい}}|San no kata: Shūbun Seirai}}<ref>''Kimetsu no Yaiba Manga'': [[Chapter 145]], Page 8</ref> - A spinning wave attack in all directions.
 
*{{Nihongo|'''Third Style: Swarming Mosquito Thunder'''|{{Ruby|参|さん}}ノ{{Ruby|型|かた}} {{Ruby|聚|しう}}{{Ruby|蚊|ぶん}}{{Ruby|成|せい}}{{Ruby|雷|らい}}|San no kata: Shūbun Seirai}}<ref>''Kimetsu no Yaiba Manga'': [[Chapter 145]], Page 8</ref> - A spinning wave attack in all directions.
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==Quotes==
 
==Quotes==
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{{References}}
 
{{References}}
   
 
==Navigation==
 
==Navigation==
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[[ru:Кайгаку]]
 
[[es: Kaigaku]]
 
[[es: Kaigaku]]
 
[[Category:Male Characters]]
 
[[Category:Male Characters]]

Revision as of 18:32, 9 December 2019

Kaigaku ( (かい) (がく) Kaigaku?) was a former Demon Slayer and Zenitsu Agatsuma's senior disciple under former Pillar Jigoro Kuwajima. However, he became a Demon to save his own life and later became the Upper Moon Six of the Twelve Demon Moons, replacing Daki and Gyutaro.

Appearance

File:Kaigaku (human).png

Kaigaku's appearance when he was human.

As a human, Kaigaku was a fit, young man with black hair and turquoise eyes. After becoming a Demon, he gained black, flame-like markings on his face, fangs, pale skin, and pointed ears. His eyes received the mark of Upper Moon Six.

Kaigaku was usually seen wearing a black kimono over his Demon Hunter uniform with yellow markings.

Personality

Kaigaku was very prideful and self-serving, seeing morality as something based on whether people agreed with him ("right") or not ("wrong"). He valued his own life over all others, easily abandoning the Demon Slayers when he came face-to-face with Kokushibo's strength and begging him to make him a Demon.

Because he easily learned to use the Second through Sixth Forms of the Breath of Thunder, he saw himself as Jigoro's rightful heir and resented Jigoro's decision to make both him and Zenitsu his successors. However, this only served to highlight Kaigaku's impatience and hubris; his inability to use the First Form, the basis of all the others Forms, meant his technique in the advanced Forms could only go so far. This proved to be his undoing, as while Kaigaku could only augment his abilities after becoming a Demon, Zenitsu was able to develop a completely new Seventh Form through dedicated training.

History

Kaigaku was an orphan and a thief who had to eat scraps and steal to survive. He was one of the orphans Gyomei Himejima cared for at his temple. After he was caught by the other children for stealing temple money, he was chased out at night and encountered a Demon, which he then let in to the temple in exchange for having his life spared.

Kaigaku developed the belief that strength and survival were the only things worth respecting and was willing to grovel and beg for his life if it was what it took to survive. Eventually, he was taken in by Jigoro along with Zenitsu, learning the Breath of Thunder. He became determined to become Jigoro's successor and the new Thunder Pillar. Jigoro, however, insisted that both he and Zenitsu would become his successors, despite Zenitsu's weakness and timid nature.

Synopsis

Natagumo Mountain Arc

Although Kaigaku isn't seen in person, Zenitsu remembers him in a flashback, where Kaigaku threw a peach at him for daring to call Jigoro "grandpa."[1]

Dimensional Infinity Fortress Arc

During the Pillar Training Arc, Zenitsu receives word that Kaigaku had become a demon and, out of shame, Jigoro committed seppuku to atone. Kaigaku had fought against Kokushibo and, upon witnessing the other's immense power, kneeled before him and begged to become a Demon. As a Demon, Kaigaku ate a multitude of people and became abnormally powerful, enough to have filled Daki and Gyutaro's vacant position as Upper Moon Six of the Twelve Demon Moons.

Inside the Dimensional Infinity Fortress, he and Zenitsu seek each other out. Kaigaku is ultimately beheaded by Zenitsu's Breath of Thunder, Seventh Style: Flaming Thunder God. Kaigaku mockingly comments that their master did favor Zenitsu more for teaching him that style, until Zenitsu admits that Flaming Thunder God was his own making in order to fight alongside Kaigaku as equals. Kaigaku notes that Zenitsu was going to die from severe exhaustion, only for him to be saved by Yushiro in the last seconds. Ultimately, Kaigaku‘s head screams in anger as he disintegrates.

Abilities and Powers

Demon Abilities

Enhanced Breath Techniques: As a Demon, Kaigaku's Breath of Thunder techniques were reinforced and increased in strength. However, he was still being attuned to his newfound Demon abilities at the time of his death. Yushiro commented that had he been given another year, Kaigaku's strength would have crushed Zenitsu on the spot.

Blood Demon Techniques (血けっ鬼き術じゅつ Kekkijutsu?): Kaigaku had completely merged his Blood Demon Techniques with his Breath of Thunder sword attacks, successfully creating an effect in which his slashes and sword swings immediately cracked his opponents skin and burned their flesh, effectively increasing the lethality of his already powerful sword strikes. This also gave his attacks a black lightning-like appearance.

Swordsmanship

Breath of Thunder Style ( (かみなり) () (きゅう) Kaminari no Kokyū?): Taught to Kaigaku by a former Pillar, Jigoro Kuwajima. Despite being unable to master the first style, Kaigaku was capable of learning the other five styles of the Breath of Thunder. Like Kokushibo, he had completely combined his Blood Demon Techinque with his Breath Style to increase its power.

  • Second Style: Lightning Ball ( () (かた) (いな) (だま) Ni no kata: Inadama?)[2] - A series of five straight attacks all performed in a single moment.
  • Third Style: Swarming Mosquito Thunder ( (さん) (かた) (しう) (ぶん) (せい) (らい) San no kata: Shūbun Seirai?)[3] - A spinning wave attack in all directions.
  • Fourth Style: Distant Thunder ( () (かた) (えん) (らい) Shi no kata: Enrai?)[4] - A ranged strike at a distance.
  • Fifth Style: Heat Lightning ( () (かた) (ねつ) (かい) (らい) Go no kata: Netsu Kairai?)[5] - A slashing attack that cracks skin and burns flesh.
  • Sixth Style: Electric Lightning Shower ( (ろく) (かた) (でん) (ごう) (らい) (ごう) Roku no kata: Dengō Raigō?)[6] - A series of strikes that crack the target's body.

Battles

Dimensional Infinity Fortress Arc

Trivia

  • Kaigaku is the second known Demon Slayer to have become a Demon, the first being Kokushibo.
  • Kaigaku and Tengen Uzui are the only Demon Slayers shown to hold their swords behind their backs.
  • Because of the movement pattern of the Breath of Thunder's first style, it can be speculated that one reason he had difficulty mastering it was due to the way he holds his sword.
  • Kaigaku received a kimono from Jigoro Kuwajima, the same one that he wore, but Kaigaku never even wore it once.

Quotes

  1. Kimetsu no Yaiba Manga: Chapter 34, Pages 4-5
  2. Kimetsu no Yaiba Manga: Chapter 145, Page 7
  3. Kimetsu no Yaiba Manga: Chapter 145, Page 8
  4. Kimetsu no Yaiba Manga: Chapter 144, Page 17
  5. Kimetsu no Yaiba Manga: Chapter 145, Page 9
  6. Kimetsu no Yaiba Manga: Chapter 145, Page 10


Navigation

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