Sentomaru

Sentomaru is the bodyguard of Vegapunk and is in command of the Marines' Science Unit (科学部隊) as its captain (隊長). After the timeskip, he became a full-fledged Marine officer. During the Egghead Arc, Sentomaru decided to ally with the Straw Hat Pirates out of loyalty for Vegapunk, leading to his acknowledgement as a rebel by the Marines.

Due to his actions, he can be considered a supporting antagonist in the Sabaody Archipelago Arc and the secondary antagonist of the Return to Sabaody Arc, as well as an ally in the Egghead Arc.

Appearance
Sentomaru is a large man with light skin and a stocky build similar to that of a sumo wrestler. He has a large scar extending from his left eye to the left corner of his mouth caused by wild bears. His outfit consists of a shirt that resembles a giant brown bib or apron with an emblem meaning "heaven" on the front, and a large red and white rope or "tsuna" (traditionally worn by yokozunas). Sentomaru also has bandages wrapped around his right fist and elbows, along with the kanji 戦 tattooed on his left shoulder. Sentomaru carries around a huge, two-edged axe, as tall as himself, and just as large.

Following the timeskip, he is shown wearing a Marine coat over his shoulders due to his acceptance into the Marines. He has also removed the bandages around his arms. On his coat, the middle design's outline changed from a light green to white and the white tomoe around that became thicker.

Personality
Since he asserts to having the tightest defense, Sentomaru also claims to have the tightest mouth and refuses to reply to any questions. However, despite his claim, he is willing to tell everyone about himself whenever something related to a question, or an event occurs. Whenever he gives away information, he claims he is giving it away freely and not because the person he is talking to asked or was curious about something.

Sentomaru is confident in his abilities. He took it upon himself to deal with the Straw Hat Pirates with only PX-1 to accompany him. He remains unfazed even in the most serious events, as he was surprised to see Chopper in his monster form while keeping his composure. He was visibly shocked when Luffy easily defeated a Pacifista two years later.

He appears to be perceptive as well, having quickly observed that Luffy enforced the impact of a Jet Pistol with Busoshoku Haki after striking down a Pacifista.

He is very loyal to the Marines and although he does not have anything against pirates, he still takes his duty to apprehend them seriously. After the two-year timeskip where Sentomaru was officially inducted into the Marine ranks, he takes the position bestowed upon him very seriously, having opted to partake in the attempted arrest of the Straw Hat Pirates after they were reported to have once again appeared in the Sabaody Archipelago, with two Pacifista units to back him up. However, his personal debt with Vegapunk led him to defend him against the World Government, specifically CP0.

Sentomaru seems to have a sense of respect for worthy opponents, as when confronting and questioning the fake Luffy, who boasted that he was the real felon, Sentomaru notes that Luffy was not a piece of filth like he was. He seems to show disinterest when someone does not meet his expectations, as he pointed out that Devil Dias could not possibly have survived in the New World after he attempted to escape from the World Nobles. He even called the pirates who joined the Fake Straw Hat Crew "idiots" because he felt that they were dumb enough to be fooled in the first place.

Marines
Sentomaru had known Kizaru for many years in the past and was entertained by his abilities as a child when he conducted testing for them with Vegapunk. As an adult Sentomaru refers to Kizaru as "Uncle" (黄猿のオジキ). The Japanese term used does not mean they are family. It truly means that the pair are on a high level of respect (despite Sentomaru shouting at Kizaru for using the wrong Den Den Mushi). He has the position of Captain of the Science Unit, implying some degree of authority, and becomes a commissioned Marine officer following the timeskip. During the following timeskip, Sentomaru and Kizaru were at odds as Kizaru arrived at Egghead on orders to kill Vegapunk, while Sentomaru choose to protect him, leaving Sentomaru disappointed at Kizaru's action.

Dr. Vegapunk
Vegapunk saved a young Sentomaru, leading to his loyalty as a way of repaying this debt. Vegapunk does bring this up as a means to pressure Sentomaru into swaying him to defy the World Government to protect him.

Sentomaru also calls Vegapunk as "Old Man Punk".

Pacifista
Sentomaru is able to command Pacifistas and is one of the few people they are shown to obey besides Bartholomew Kuma. Presumably his ability to command them is due to him being a Captain in the Marine Science Unit and is shown to be somewhat knowledgeable of their capabilities. He also seems to be able to identify individual PX units by their serial number.

Pirates
Sentomaru claims that he does not "particularly have anything against pirates". Nevertheless, he still fights against the Straw Hat Pirates with PX-1 and Kizaru. He was also anxious for Kizaru to contact him, as he was afraid that the rookies would all be killed if he did not. This was when Sentomaru was just a bodyguard for Vegapunk. Following the timeskip, Sentomaru has joined the Marines and his attitude does not seem to have changed much, though he does seem to take pride in the fact that he can now arrest pirates officially. He planned to arrest all the pirates who joined the Fake Straw Hat Crew, despite them being tricked by a group he considered to be "idiots", because he felt that they were dumb enough to be fooled in the first place.

He has shown a certain level of respect for Monkey D. Luffy, having fought him personally. When he defeated Demaro Black, he dismissed him as someone worthless and an insult to Luffy's name.

When he confronted the real Luffy, he swore to capture him but was shocked as Luffy not only evaded the laser beams of a Pacifista but also destroyed it with one punch. He deduced that Luffy used Haki and could not stop him from leaving as the latter met up with Roronoa Zoro and Sanji. He tried to have the other Pacifista attack them though he was shocked to see them destroy it easily as well. While arresting the recruits of the Fake Straw Hats, Sentomaru reported to his superiors that the real Straw Hats were alive and on a dangerous level. When he saw Luffy again at Egghead, Sentomaru declared he was only going to help Luffy for Vegapunk's safety and reminded the Straw Hat captain that they're still enemies.

Bartholomew Kuma
Not much is known about their relationship, but Sentomaru did address the Warlord of the Sea as "Kuma-ko" (くま公), an honorific meant as a sarcastic and insulting way of addressing someone. Any possible relationship may stem from Dr. Vegapunk's research facility (as Sentomaru is the bodyguard, while Kuma is the weapon).

Abilities and Powers
Sentomaru claims to be a world-class guard and the fact that he is in charge of the Marine's Science Unit suggests that he has great insight in that field of expertise.

Sentomaru is one of the few people that has direct control over the Pacifista, not requiring an command chip to give them orders. His authority is only superseded by that of the Five Elders and Dr. Vegapunk plus his satellites.

Physical Abilities
His fighting style is similar that of Bartholomew Kuma's, standing like a sumo wrestler and striking with open-palm thrusts which are enhanced through the use of Haki. This allows him to injure even Devil Fruit users as easily as normal people. He is faster than his size and build would suggest, being able to outpace Luffy's normal running speed. In addition, he appeared unfazed by Usopp's giant smokescreen shortly beforehand.

He also seems to possess a great deal of endurance, as he was able to remain conscious for some time after being stabbed by an awakened Lucci in order to prevent the Seraphim from falling under the command of CP0.

Weapons
Sentomaru carries a massive executioner axe, but only uses it against tougher opponents such as Chopper in his monster form. He used the broad side to flatten Demaro Black, smashing him into the ground with enough force to bury him halfway.

Busoshoku Haki
Sentomaru can use Busoshoku Haki to enhance his attacks. His control is such that he can not only strike Devil Fruit users and cause them harm by bypassing their defenses but do so without actually making physical contact. He claims to have the "world's greatest defense", shown when Luffy could not land even a single punch on him. Sentomaru can use Busoshoku Haki at an advanced level that allows him to emit his armament a short distance without a medium.

After the time skip, however, it was shown that his Haki defense could be broken through by someone such as Lucci, who in his Awakened Form, was able to pierce through him using a Haki-imbued Shugan.

Attacks



 * Ashigara Dokkoi: Sentomaru smashes his opponents with an open-palm using Busoshoku Haki. It does not actually need to connect to cause damage; the force of his Haki alone is enough to send his opponent flying and cause damage. This was first seen used against Luffy. The name of this attack is a pun as "Ashigara" (Japanese for "Leg-Locked") sounds the same as Ashigara, the name of the mountain where Kintaro (the character on whom Sentomaru is based) was raised. This is called Sumo Strike in the Viz Manga and Ashigara Dokkoi Shove in the Funimation adaptions.

Kenbunshoku Haki
Sentomaru possesses the ability to use Kenbunshoku Haki.

Past
As a child, Sentomaru was a violent and ever-hungry delinquent who always caused trouble to his hometown. After the townsfolks banished him to the mountain, he survived on his own. At one point, Vegapunk visited the town and the people informed that the town was plagued by wild bears. Vegapunk decided to build a weapon to drive away the wild bears, but he needed to go to the mountain to check on the bears first. Eventually, he stumped upon Sentomaru who beat up the wild bears with Sumo technique but succumbing to hunger. Impressed with his strength, Sentomaru was then saved by Dr. Vegapunk from hunger and he decided to make him his bodyguard. When he grew up, he joined the Marines. At some point in his youth Sentomaru and Vegapunk became acquainted with a young Kizaru who had agreed to utilize his Devil fruit abilities for Vegapunk's research on a future project, he used also used his ability to entertain Sentomaru.

Sabaody Archipelago Arc
On the Sabaody Archipelago, Sentomaru was sitting on top of a building when Devil Dias attempted to escape his slavery from the World Nobles Rosward and Shalria. After Dias failed, Sentomaru remarked that Dias could not possibly have survived in the New World.

After the Straw Hat Pirates assaulted some World Nobles, the Admiral Kizaru was sent to the archipelago and, upon arrival, attempted to contact Sentomaru but was unsuccessful due to using the wrong Den Den Mushi. When Kizaru appeared to be late, Sentomaru worried that the Pacifistas would finish off the pirates by themselves. Sentomaru finally contacted Kizaru and scolded him for mixing up his Den Den Mushi. Sentomaru then informed him that the target pirates were Monkey D. Luffy, Eustass Kid, and Trafalgar Law.



After the Straw Hats defeated PX-4, Sentomaru arrived in Grove 12 with another Pacifista, PX-1. Although he initially refused to identify himself, Sentomaru repeatedly claimed to have the strongest defense in the world and then dropped his name in passing. When Sentomaru ordered PX-1 to attack, Luffy ordered the crew to split up into three groups, so Sentomaru went after Luffy, Nico Robin, and Tony Tony Chopper. As Luffy tried to attack, Sentomaru used Busoshoku Haki to block and then counterattack, knocking back and injuring Luffy despite the pirate's rubber body. Kizaru then arrived, attacking Roronoa Zoro, Usopp, and Brook, but they were saved by Silvers Rayleigh. After Luffy ordered his crew to keep running, Rayleigh stopped Kizaru from pursuing them, which impressed Sentomaru. Since Zoro was dying, Sentomaru ordered PX-1 to take out the swordsman, while he continued chasing Luffy. After Sentomaru struck Luffy again, Chopper charged at him and transformed into his Monster Point. While Sentomaru was distracted by the rampaging beast, Robin grabbed Luffy and carried him away.

When the real Bartholomew Kuma arrived and made Zoro disappear, Luffy demanded answers, so Sentomaru, who was still dodging Chopper's attacks, explained the rumors behind Kuma's powers. Sentomaru was confused when Kuma also sent PX-1 away before doing the same for the rest of the Straw Hats. Sentomaru demanded an explanation for Kuma's actions.

Marineford Arc


About an hour and a half into the Summit War of Marineford, Sentomaru arrived at the mouth of Marineford's bay with an army of Pacifistas. Sentomaru questioned his order since the pirates were not all trapped in the bay as planned, but Fleet Admiral Sengoku ordered him to target the pirates not in the bay first, despite the risk to the Marine battleships. Sentomaru was unsurprised by Squard stabbing Whitebeard since the appearance of Whitebeard betraying his allies had been part of Sengoku's strategy.

Later in the battle, Sentomaru questioned Boa Hancock's destruction of some of the Pacifistas; she replied that love was like a hurricane, which left Sentomaru confused.

After Shanks' arrival, he stood down along with the Pacifistas he commanded.

Return to Sabaody Arc
After confirmation had been made that the Straw Hat Pirates had returned, Sentomaru—now officially a member of the Marines—was eager to head out and fight Luffy once again, commenting that he was on a different level from the rookies who arrived on the Archipelago every now and then. He also mobilized PX-5 and PX-7, knowing that Luffy must have got stronger after two years. Sentomaru then stated that the strange actions that Kuma started two years prior suddenly ended without any explanation and he figured that the Straw Hats would return to the island one day.



He later arrived to Grove 46 with the Marines, surrounding the pirates and blocking all entrances and exits. As the Pacifistas were decimating the assembled pirates, Sentomaru confronted the Luffy impostor, Demaro Black, questioning why he was being called "Straw Hat". All the impostor could do was try to intimidate Sentomaru with Luffy's reputation and heritage. Unfazed by the impostor's empty threats, Sentomaru proceeded to smash him into the ground with the broad side of his axe. Disgusted by the fake trying to pretend to be the real Luffy, he then ordered PX-5 to identify him. Sentomaru realized that the pirates had been fooled but decided that the fact that they had allowed themselves to be fooled was reason enough to arrest them. Having been made aware of the real Luffy's presence by the Pacifista, he ordered PX-5 to target him. Luffy dodged PX-5's laser, but the blast made him lose his disguise. Sentomaru once again ordered PX-5 to attack Luffy, but Luffy dodged the second attack with ease and destroyed PX-5 with a single, Busoshoku Haki-imbued Gomu Gomu no Jet Pistol. Sentomaru was shocked by Luffy's ability to wield Haki. Luffy then left the scene, despite Sentomaru's ineffectual pleas for him to wait. Zoro and Sanji then showed up and easily destroyed PX-7. The Monster Trio fled the area back to their ship as Rayleigh blocked the Marines' pursuit.

After tying up Black and many of his allies, Sentomaru informed his superiors about the events that transpired on the Archipelago and warned them that the real Straw Hats had grown greatly in the past two years and were heading to the New World.

One Piece: Stampede
Sentomaru entered Delta Island, commanding the Pacifista's to arrest all the pirates who were attending the Pirates Festival. He was a bit annoyed when Dracule Mihawk appeared to assist the Marines, but soon became very depressed when Perona used her Negative Hollow on him. Later, when Douglas Bullet used his ability to seal off the island, he was a bit startled. Afterwards he called the outside in order to get some orders on what to do in this situation.

Egghead Arc


When CP0 agents attacked Vegapunk's laboratory on Egghead, Shaka ordered the mobilization of the Seraphim S-Snake, S-Shark, and S-Hawk and their placement under Sentomaru's control. Sentomaru was initially confused about Vegapunk's orders since CP0 were their allies while pirates were their enemies. However, Vegapunk reminded Sentomaru about saving him as a child, and giving into the pressure, Sentomaru ordered S-Bear, S-Shark, and S-Hawk to wipe the CP0 agents while S-Snake escorted the Straw Hat Pirates up to the Frontier Dome. Sentomaru reunited with Luffy and talked with the new Emperor. Meanwhile, CP0 chose to target and eliminate Sentomaru in order to eliminate his command over the Seraphim, so Rob Lucci used his hand to stab Sentomaru through the chest.

As he falls down, Luffy apologized for distracting him, but he spat back that he had anticipated Lucci's attack and had defended against it to some degree. After Luffy defeated Lucci, he urged Luffy to get Vegapunk out of the island as he prepared to face off the remaining CP0 agents. Later on, he collapsed from his wound, enabling the agents to take command of the Seraphim units.

Sentomaru woke up some time later, too injured to move. Realizing the Marines already considered him a rebel and were jamming his communications to Dr. Vegapunk, he activated all fifty Mark III Pacifista units stationed on Egghead, and ordered them to aid Luffy and help Vegapunk escape safely. Afterwards, someone asked him why he deployed the Pacifistas. He replied by telling them about Ohara, because he thought that an even worse situation will happen on Egghead, as they are planning to kill the smartest man in the world, Vegapunk. Stussy called Sentomaru on a Den Den Mushi and said that Admiral Kizaru and the Marines were planning to go to Egghead and CP0's mission was to kill Vegapunk and wait for Kizaru, to which Sentomaru replied that the World Government sounded set on the plan. Stussy then told him it was worse than Ohara since Vegapunk continued Ohara's reasearch, and because Egghead was stronger. Sentomaru replied that that was enough reason to send a lot of Marines. Stussy told him to contact her on Den Den Mushi since the Labophase's communications systems were down. Afterwards, Sentomaru told everyone to evacuate fast after what they heard.

Major Battles

 * Sentomaru, Kizaru and PX-1 vs. Straw Hat Pirates
 * Sentomaru and Pacifistas vs. Whitebeard Pirates and their allies
 * Sentomaru vs. Boa Hancock
 * Sentomaru, PX-5 and PX-7 vs. subordinates of the Fake Straw Hat Crew
 * Sentomaru vs. Demaro Black
 * Sentomaru, S-Shark, S-Snake, S-Hawk, and S-Bear vs. CP0

Translation and Dub Issues

 * Sentomaru's name contains the kanji for "peach" (桃) in reference to the Japanese story Momotarō, from which the admiral names are also derived. He is also seen eating peaches while waiting for Kizaru to call him.
 * Each kanji in Sentomaru's name, when broken up, is read as Sen (戦), to (桃) and maru (丸). Put together, it means "Battle Peach Ring". When roughly translated, it means "Little Fighting Peach".

Anime and Manga Differences
In the manga, Sentomaru was seen looking through bounty posters after Dias was shot and named his name and bounty. In the anime, this never happened, leaving Dias' name unknown to the audience.

In the manga, Sentomaru wields his axe with both hands when he attacks Demaro Black. In the anime, Sentomaru used his axe with only his right hand.

Playable Appearances

 * One Py Berry Match
 * One Piece Treasure Cruise
 * One Piece Bounty Rush
 * One Piece Bon! Bon! Journey!!

Enemy Appearances

 * One Piece: Pirate Warriors

Support Appearances

 * One Piece: Gigant Battle
 * One Piece: Gigant Battle! 2 New World
 * One Piece: Pirate Warriors 2
 * One Piece: Pirate Warriors 3
 * One Piece: Burning Blood
 * One Piece: Pirate Warriors 4

Other Media

 * Sentomaru appears in One Piece Premier Show 2012, arresting the Fake Straw Hat Crew and pursuing the Straw Hat Pirates to Samba Island.
 * Sentomaru appears in The Great Treasure of Tongari Island, clashing with Sanji when the Marines invade Tongari Island.
 * Sentomaru appears in Super Kabuki II: One Piece in the retelling of the Sabaody Archipelago Arc.
 * An image of Sentomaru appears in the first One Piece Water Spectacle show.
 * Sentomaru appears in the Marineford version of the Hungry Days commercials.

Trivia

 * Sentomaru's design is heavily based on that of the Japanese folklore hero Kintarō (also known as samurai Sakata no Kintoki), who was notable for wearing nothing but a bib, carrying a massive axe, and sumo wrestling with bears. Additionally, his attack, Ashigara Dokkoi, is a pun on Mt. Ashigara, the place where Kintarō was raised. However, his name, Sentomaru (戦桃丸) is most likely derived from another popular Japanese folklore hero, Momotarō.
 * Sentomaru, like Enel, is seen with the tomoe symbol; in his case, on the "heaven" emblem on his outfit.
 * Sentomaru is the first character in the series to have his name written in kanji, rather than katakana or hiragana (barring aliased people like the three admirals). This characteristic is later shared with those from Wano Country.
 * Sentomaru's favorite foods are onigiri and baked sweet potatoes.

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