Kaigaku

**Kaigaku** is minor antagonist appearing in Neti's second flashback in DTFOT third round. He is a demon affiliated with the Twelve Kizuki, holding the position of **Upper Rank Six**.

## Appearance

Kaigaku is a muscular young man of average height with black hair and turquoise pupil with black sclera. he has many demonic traits like four black flame-like markings on both sides of his cheeks, fangs, pale skin, black sharp nails, and pointed ears. By becoming a member of the Twelve Kizuki and rising to the position of Upper Rank Six, his eyes are etched with the kanji of **"Upper Rank"** *(上弦 Jōgen)* and **"Six"** *(陸 Roku)*.

Kaigaku is usually seen wearing a black kimono with a blue obi over his Slayer uniform that has yellow flame-like markings near the chest area. He also wears multiple necklaces on his neck and wrist with green colored strings that hold together blue magatama-like pendants that were yellow in color when he was human.

## Personality

Though outwardly brash and arrogant, Kaigaku is in fact cowardly and selfish. Like many orphans living on the streets, he grew up resorting to thievery and other immoral means to survive. At some point after this, Kaigaku met and became the disciple of Jigoro Kuwajima. Because of his great talent with a sword, he was poised to become the next Thunder Hashira. However, unlike other orphans who join the Corps, Kaigaku never developed a desire to slay demons or protect people. When confronted with a stronger opponent, Kaigaku quickly surrendered.

## Abilities

**Overall Abilities:** As a member of the Upper Ranks, Kaigaku is immensely powerful. Combined with his swordsmanship skills as a proficient Slayer, Kaigaku is an extremely deadly demon. This is supported by the fact that he had to receive 5 potions of Muzan Kibutsuji's blood for him to turn into a hybrid as users of Total Concentration Breathing are more resistant to the effects of the Demon King's blood.

**Immense Speed & Reflexes:** As a Thunder Breathing user turned Upper Rank demon, Kaigaku possesses tremendous movement speed and reflexes due to the Thunder Breathing swordsmanship style placing a heavy emphasis on swiftness and bursts of speed.

**Electrokinesis:** Complementing his Breathing Style: Thunder Breathing, Kaigaku's Blood Demon Art grants him special electrokinetic abilities which allow him to generate and manipulate black colored lightning and electricity from his flesh and blood. This lightning-like Blood Demon Art creates a special effect which cracks and rends his target's flesh while burning it, greatly augmenting the lethality and offensive capability of his attacks.

## Techniques

**Dark Thunder Breathing:** Thunder Breathing is a Breathing Style that mimics lightning, specifically swift strikes and movements akin to lightning ripping through the sky, and replicates it with the user's movements, techniques and abilities. Most, if not all, known techniques and forms involve utilizing blinding speeds and immensely fast attacks to overwhelm the enemy in an instant. Users of Thunder Breathing also visualize themselves seemingly creating and manipulating lightning and electricity when unleashing its techniques.