Five-hearted immortal who stitches stolen organs into his body. Earth Grudge Fear threads grant all five chakra natures and near-immortality.
Akatsuki / Thread User · Five-hearted immortal who stitches stolen organs into his body.
Five-hearted immortal who stitches stolen organs into his body. Earth Grudge Fear threads grant all five chakra natures and near-immortality.
Akatsuki / Thread User · Five-hearted immortal who stitches stolen organs into his body.
Kakuzu is a former shinobi from Takigakure (Hidden Waterfall Village) who abandoned his village after attempting to assassinate the First Hokage Hashirama Senju and failing. For this crime against the village, he was imprisoned and forced to undergo an experimental procedure that transformed his body into a mass of living threads known as Earth Grudge Fear. He escaped Takigakure, killed the village elders in revenge, and later joined the Akatsuki as one of its earliest members.
Within the Akatsuki, Kakuzu served as the organization's primary financier, obsessively collecting bounties and managing funds. His greed was legendary — he prioritized money over almost everything else and frequently complained about members who damaged Akatsuki property. He partnered with Hidan to form the Immortal Duo, a pairing that maximized their combined combat effectiveness despite their constant personal conflict.
Kakuzu's lifespan stretched across multiple decades thanks to his Earth Grudge Fear technique, which allowed him to replace his heart by stealing healthy organs from other shinobi. He held five hearts simultaneously, granting him near-immortality through redundancy and access to all five basic chakra natures — a feat nearly unheard of among shinobi. His combat style combined durability, elemental mastery, and his unique thread manipulation to create a fighting style that overwhelmed opponents through relentless pressure and versatility.
Kakuzu has a tall, imposing build that makes him stand out even among the Akatsuki. He has light-colored eyes with distinctive slit-like pupils, dark hair, and a perpetually severe expression. His face is covered with stitching marks from his Earth Grudge Fear surgery, with visible seams running across his cheeks and jaw. These stitches are not merely cosmetic — they hold together his reconstructed body and can unravel when he releases his thread form.
He wears the standard black Akatsuki cloak with red cloud embroidery, usually fully zipped in contrast to his partner Hidan's more disheveled look. Underneath, he wears a dark mesh shirt. His most distinctive feature is the stitched pattern across his face and body, giving him the appearance of a living patchwork doll. On his back, he carries the bodies of his four mask monsters, each representing a different chakra nature: fire, wind, lightning, and water.
When Kakuzu activates his Earth Grudge Fear technique, his appearance becomes grotesque. The stitches across his body burst open, revealing masses of black threads that can extend in any direction. His mask monsters emerge from his back to fight independently, each as a sentient creature made of threads with a single sharingan-like eye. In this state, Kakuzu looks less like a human and more like a collection of body parts held together by will and hatred.
Kakuzu's defining trait is his obsession with money. After his failed assassination mission and subsequent execution attempt, Kakuzu concluded that love, loyalty, and faith were worthless — only money held real value. This worldview permeates every aspect of his behavior. He tracks every penny earned from Akatsuki missions, constantly complains about damaged equipment in terms of monetary loss, and evaluates opponents based on their bounty value. His catchphrase is a complaint about money being wasted.
He is pragmatic to the point of ruthlessness, viewing everything through a cost-benefit lens. Kakuzu has no interest in ideology, religion, or personal glory — only results and compensation. This makes him a reliable Akatsuki member but a terrible partner for Hidan, whose religious fanaticism and battle lust Kakuzu finds deeply irritating. Their partnership is held together entirely by the practical consideration that two immortals fighting together are more effective than one.
Beneath his greed, Kakuzu is a deeply cynical survivor who trusts nothing and no one. His experience with his own village's betrayal — sending him on a suicide mission and then punishing him for failing — left permanent scars. He views all relationships as transactional and expects betrayal at any moment. This cynicism makes him difficult to surprise, but it also isolates him from genuine connection. His rage when Naruto's Rasenshuriken destroyed his final heart was not just fear of death but fury at the injustice of a valuable asset being destroyed.
Kakuzu's primary ability is Earth Grudge Fear, a forbidden technique that transforms his body into living threads. This technique allows him to detach, extend, and reattach his body parts at will. He can launch his arms and legs like projectiles, reform his body from thread form, and stitch together wounds instantly. The threads are strong enough to restrain tailed beasts and sharp enough to cut through solid rock. This technique also enables his heart-stealing ability — he can replace damaged hearts by harvesting fresh ones from defeated enemies.
Kakuzu can hold up to five hearts simultaneously, each stored in a separate body compartment. Each heart is identified by a unique kanji marking on his skin. When a heart is destroyed, he loses access to that chakra nature and must replace it. Having multiple hearts makes him effectively immortal as long as at least one heart remains intact — destroying his head or torso is not fatal if another heart survives. This redundancy makes him among the most durable opponents in the series.
His four mask monsters — each corresponding to a heart — are independent combat entities that operate under his control. The Fire Mask (Katon) uses Zukokku, a massive fire blast. The Wind Mask (Futon) uses Atsugai, a pressurized wind cannon. The Lightning Mask (Raiton) uses Gian, a lightning spear. The Water Mask (Suiton) — which he lost before the main timeline — provided supplementary attack options. Each mask monster can attack independently while Kakuzu engages in close combat, creating a five-on-one scenario that overwhelms most opponents.
Kakuzu's mastery of all five basic chakra natures grants him unprecedented elemental versatility. He can combine elements for greater effect, such as using his Wind and Fire masks together to create an explosive compound attack. His physical stats are high from decades of combat experience, and his thread-based attacks are difficult to defend against because they come from unexpected angles. His weakness lies in his overconfidence — multiple opponents can exploit his need to divide attention across five combat bodies, as Team 10, Kakashi, and Naruto demonstrated.
In his youth, Kakuzu was a high-ranking shinobi of Takigakure, tasked with assassinating the First Hokage Hashirama Senju during the early days of the Five Great Shinobi Villages. This mission was suicidal from the start — Hashirama was known as the God of Shinobi for his unmatched power. Kakuzu failed and was captured, but to the surprise of his village, he survived. Instead of being welcomed back for escaping alive, he was imprisoned and subjected to the Earth Grudge Fear experiment as punishment.
Kakuzu escaped Takigakure, killed the village elders who had condemned him, and went rogue. He was recruited into the Akatsuki relatively early in the organization's history, serving under Pain's leadership. He participated in numerous tailed beast captures and became the group's treasurer, accumulating vast wealth through bounty hunting. His longevity made him among the most experienced members, having survived multiple Akatsuki reconstitutions over the years.
The Hidan and Kakuzu arc showcases the Immortal Duo at full power. After killing Asuma Sarutobi, the duo faces Team 10 reinforced by Kakashi, Naruto, and Sakura. Kakuzu demonstrates his overwhelming power by fighting multiple elite jonin simultaneously, using his mask monsters to create a multi-front battle. He matches Kakashi's Sharingan with raw elemental power and nearly kills the entire team through attrition.
The turning point comes when Naruto debuts his new technique — the Wind Release: Rasenshuriken. Developed with Kakashi's guidance and designed to counter Kakuzu's multiple-heart immortality, the Rasenshuriken destroys Kakuzu's remaining hearts at the cellular level, bypassing his thread-based defenses entirely. Two of his four hearts are destroyed by the first hit, and Kakashi finishes the battle by exploiting the opening created by Naruto's attack. Kakuzu dies from accumulated damage, his final words a complaint about how his youth was wasted.
Kakuzu was reanimated during the Fourth Great Ninja War through Kabuto's Impure World Reincarnation. He fights alongside other deceased Akatsuki members, using his Earth Grudge Fear technique against the Allied Shinobi Forces. His thread technique proves especially dangerous against large groups. He is eventually sealed by the alliance, his immortal thread body unable to resist the sealing technique. His reanimation confirms that he had five hearts in his prime, including a now-visible Water mask that was destroyed before the main timeline.
Hidan: Kakuzu's partner in the Akatsuki and a constant source of irritation. He considers Hidan loud, stupid, and wasteful — Hidan's habit of destroying property directly reduces Kakuzu's potential bounties and earnings. Despite the friction, their combat synergy is effective. Hidan draws blood for the Jashin ritual while Kakuzu provides ranged support. The partnership worked precisely because neither could permanently kill the other, so their arguments had a natural ceiling.
First Hokage Hashirama Senju: The man who defeated Kakuzu in his youth and indirectly set him on his path. Hashirama's overwhelming Wood Release power not only repelled Kakuzu's assassination attempt but also created the shinobi village system that Kakuzu would later despise. Their encounter shaped Kakuzu's worldview — proving that power determines fate and that love for one's village is a liability.
Naruto Uzumaki: The shinobi who delivered the finishing blow that led to Kakuzu's death. Naruto's Rasenshuriken destroyed Kakuzu's final hearts after Kakuzu had survived decades of combat. The battle also represented Naruto's coming-of-age as a ninja — the Rasenshuriken was his first original technique and the Tailed Beast Ball-infused version demonstrated his growing control over Kurama's power.
Kakashi Hatake: The strategic brains behind Kakuzu's defeat. Kakashi analyzed Kakuzu's elemental rotation pattern, identified the 5-second interval between heart-beats switching, and coordinated the attack that pinned Kakuzu for Naruto's finishing blow. Their parallel as experienced veterans of multiple wars highlighted the difference between a shinobi who fights for comrades (Kakashi) and one who fights for money (Kakuzu).
Kakuzu stands as among the most technically unique fighters in Naruto, representing a combat philosophy distinct from the series' typical power archetypes. His five-element mastery made him a fan favorite for technical discussions — he is one of only a handful of characters in the series who can use all five basic chakra natures naturally. His mask monsters became iconic symbols of his combat style, each with a distinct design and element that fans easily recognize.
His death at the hands of the Rasenshuriken is a milestone moment in Naruto Shippuden. It marks the first time Naruto's signature technique defeats a major villain, establishing the Rasenshuriken as a meaningful threat. The battle also showcases Naruto's tactical growth — developing a wind-attribute version of the Rasengan with elemental manipulation to counter Kakuzu's multiple hearts. This battle influenced power system discussions in the Naruto community for years.
Kakuzu's cynical worldview — that money is the only thing worth pursuing in a world full of betrayal — resonates with audiences as a dark mirror of shinobi ideology. His rejection of village loyalty, friendship, and idealism after being betrayed by his own village offers a tragic counterpoint to Naruto's unshakeable faith in bonds. The fact that he lived for decades as among the most powerful shinobi in the world yet died with no one mourning him serves as a powerful statement about the emptiness of his philosophy. In Akatsuki rankings, Kakuzu consistently places in the middle tier of popularity, respected for his power and unique abilities rather than beloved as a character.
Kakuzu can hold up to five hearts simultaneously, each stored in separate compartments throughout his body. Each heart is identified by a kanji character on his skin. Having five hearts means destroying his head, torso, or any single body part is not fatal — as long as at least one heart remains, Kakuzu survives. He must replace hearts by harvesting them from living victims after destroying his originals.
Earth Grudge Fear is the forbidden technique that transformed Kakuzu's body into a mass of living black threads. It grants him the ability to detach and reattach body parts, extend his limbs like projectiles, and store multiple hearts. The technique also powers his four mask monsters and enables him to survive damage that would kill normal shinobi. It was the result of an experimental procedure inflicted on him as punishment by Takigakure.
Kakuzu was killed by a combination of Naruto Uzumaki's Wind Release: Rasenshuriken and Kakashi Hatake's Lightning Cutter. The Rasenshuriken destroyed two of his four remaining hearts at the cellular level, and Kakashi's follow-up Lightning Cutter destroyed a third. Kakuzu's final heart was destroyed through accumulated damage. He died on the battlefield with no one to mourn him, his last words reflecting on his wasted youth.
Kakuzu can use all five basic chakra natures: Fire, Wind, Lightning, Earth, and Water. This is exceptionally rare among shinobi, as most can only master one or two elements. His four mask monsters correspond to Fire, Wind, Lightning, and Water, while his Earth nature is channeled directly through his Earth Grudge Fear body. He can combine elements for compound attacks, such as using Wind to amplify Fire.
Kakuzu was ordered by Takigakure to assassinate Hashirama Senju, the First Hokage, during the early years of the shinobi village system. This was essentially a suicide mission — Hashirama was known as the God of Shinobi and was widely considered unbeatable. Kakuzu failed to kill Hashirama but somehow survived the encounter. Instead of being honored for surviving, he was imprisoned and experimented on by his own village. This betrayal is the root of his deep cynicism and hatred for village loyalty.
