Polearm

A pole weapon or polearm is a close combat weapon in which the main fighting part of the weapon is placed on the end of a long shaft, typically of wood, thereby extending the user's effective range. Spears, glaives, poleaxes, halberds, and bardiches are all varieties of polearms. The purpose of using pole weapons is either to extend reach or to increase angular momentum—and thus striking power—when the weapon is swung.

Strengths and Weaknesses
Several characters have been seen using polearm based weapons. They offer a much more massive reach than most weapons and serve a variety of uses both offensively and defensively. The advantage they offer is a superior range in close combat to other weapons such as the sword.

However, the main offensive aspect of the weapon is on the furthest end of the pole where usually a blade is held for striking. The main offensive stance of a polearm user is therefore usually focus forward on the bladed end, the idea is to strike down the foe before they come anywhere near the user and it is often difficult to change fighting stances in tight spaces, with the only exceptions being the staff branch of pole arms.

At its core, pole arms combatants are relatively easy to train while the weapon itself is cheap to produce.

In the series, polearm users have been mostly seen used by guards and few have been seen wielding one in battle. Unlike the sword, most uses have been just for striking or show and very few polearm based techniques have actually been featured since the most common seen wielders were background extras. Both Gol D. Roger and Noland were killed by executioners who wielded polearm based weapons.

Types of Polearms
Polearms are separated into different classifications by the type of tip. They vary in design from the basic fighting staves having no tips at all to the more specialized tips of the Halberds. All types of polearms fall into one five specific groups: Staves, Spears, Halberds, Scythes and Mauls.

Staves
A staff is a plain stick weapon. Staves have a variety of uses, although most are not weapon based. Only a few types of staves are counted as weapons such as the quarterstaff and long staff. Staves are a form of Stick fighting. Stick Fighting is not a method of polearm fighting and only fighting staves fall under the polearm classification.

Bo
The bo (棒) is a long staff weapon.

When she was first seen, Nami used a bo for fighting, this was later replaced with the Clima-Tact, although by classifications the Clima-Tact is still considered a type of bō. The Nonosama Bo, Enel's golden staff, is also a bo, albeit made from gold, and can be reforged into a trident with his Goro Goro no Mi powers.

A few characters utilize ordinary objects as improvised bo staves, such as Sabo's long pipe weapon. Vergo uses a bamboo stick as a bo staff, imbuing it with Busoshoku Haki to increase its hardness. Kanjuro used his giant ink brush Tsuji Shiba not only to utilized his devil fruit powers but also as a giant bo staff to clashed with Kawamatsu and Kikunojo's swordsmanship.

Jitte
The jitte (十手) is a short staff with an extra protrusion that is specialized in disarming the opponents.

Smoker carries a Seastone-tipped jitte that is actually much longer than a normal one, and is over 83 inches long based on its name. In the anime, Commodore Kibin was seen wielding a normal jitte.

Khakkhara


The khakkhara (錫杖) is a long staff with a top that consists of two loops with several metal rings attached. It is also often used for praying.

Former CP9 member Kumadori wields a khakkhara as his signature weapon, using it in combination with Rokushiki to perform unique techniques. Wano Country priest and Kozuki Family ally Kagero also carries one but has not been seen using it.

Spear
The spear (槍) is a basic polearm weapon usually characterized as a staff with a pointed head.

Spears are very common among tribal warriors. The Kumate Tribe, for example, utilize makeshift spears consisting of knives tied to the end of wooden poles. Some of the Shandia are known to use spears, most notably Kamakiri in the present and Kalgara from the past. The natives of the Torino Kingdom wield high-tech spear-like weapons that fire spearheads through rocket propulsion.

As for individuals, Don Krieg's Mighty Battle Spear is a giant spear with a bomb attached at the base, allowing him to cause massive explosions as well as stabbing damage by swinging it around. The most notable figure with spears is Ikaros Much who wields a total of 6 spears altogether, one in each arm, with the spear heads actually being dried squids. Randolph of the Big Mom Pirates wields a double-sided spear.

Harpoon
A harpoon (銛) is a spear-like weapon that is often used for fishing and whaling. The spear head of a harpoon often has barbs in it in order to secure it on the target after penetration.

Back when he was a member of the Roger Pirates, Crocus used several harpoons as his main weapons.

Lance
A lance (ランス) is a type of long spear with a large, conical head.

Shura wielded a lance known as a Heat Javelin, which has a Heat Dial inside. Gan Fall also uses a lance while riding on his pet bird Pierre in his hybrid form.

Speed Jiru was seen with a lance and a shield, while Epoida wielded a double headed lance during the Summit War of Marineford. The Dwarves of the Tontatta Tribe use miniature lances that are suitable to their diminutive size.

Trident


The trident (トライデント) is a particular branch of spear, usually with three prongs at the end and designed for thrusting.

The trident was first introduced in the series by Enel, who forged it on the tip of his staff using his ability after realizing blunt attacks will not work on Luffy. King Neptune uses a trident, as well as Hody Jones, Prince Fukaboshi, Aladdin, the Ammo Knights, Abdullah, and Charlotte Katakuri. The Minister of the Right owns a unique bladed trident that is based on a trishula. Hatchan also owns a golden trident which was given to him by the Goldfish Princess.

The trident is also a standard weapon for the employees of Impel Down. Chief Guards Saldeath and Sadi wield customized tridents, with Saldeath's doubling as a flute for controlling the Blugori and Sadi's doubling as a whip. Hannyabal also owns a pitchfork, however, he seems to favor Kessui, a naginata-like weapon, for combat.

Trishula
The Minister of the Right has a trishula (トリシューラ), although many tridents seen within the series have characteristics borrowed from the Trishula. The middle point on the Trishula is also very distinct; it is always longer then the two side points. Although it is regarded as a type of trident, unlike the trident it is also possible for the Trishula to have more than 3 spear prongs.

Pike
A pike (パイク) is a type of spear with a small, but pointy head that is designed primarily for thrusting.

Heracles was seen using a pike to kill a giant beetle in the Boin Archipelago. Kasagoba of the New Fish-Man Pirates wields a pike, although he never had the chance to be shown using it in combat.

Partisan
A partisan (パルチザン) is a type of cross-shaped spear with curved protrusions on both sides of the main spearhead, making it resemble a trident in appearance. Unlike a trident though, the side protrusions are much smaller than the middle prong and exclusively used for parrying.

Former Admiral Kuzan is able to create ice partisans through the use of his Hie Hie no Mi, using them for melee or as projectiles. Nekomamushi wields a double-sided partisan-like weapon that resembles a jumonji yari.

Halberd
The halberd (ハルバード) consists of an axe blade topped with a spike mounted on a long shaft. It sometimes has a hook or thorn on the back side of the axe blade. It is considered to be very versatile in battle.

Notably, halberds can be considered Meito due to the presence of a full blade at the tip.

Bisento
A bisento (眉尖刀) is a heavy halberd. It features a large blade with protrusions in it.

Boa Marigold wields a halberd that could be considered a bisento due to its blade being oversized compared to the pole. The genie of the Hoya Hoya no Mi wields a bisento with a unique blade that is powerful enough to decimate entire fleets of ships.

Naginata
A naginata (薙刀) is a Japanese halberd consists of a wooden shaft with a curved slender blade on the end.

Whitebeard's signature weapon, Murakumogiri, was a naginata, and one of the 12 Supreme Grade Swords. The weapon's size is massive, fitting that of its owner, with a striped pole (with the stripes being all plain brown in the anime, but red and yellow in the manga) ending in a spherical edge, and a curved, large blade attached to the pole via a golden part, decorated by what looks like a sea snake, with a thin part of it protruding on the blade itself. After his death, it became his grave marker. Edward Weevil, self-proclaimed son of Whitebeard, also uses a naginata like the late pirate.

Hannyabal's Kessui is a naginata, but a double-bladed type of naginata, which is not normal for the weapon to have; being more reminiscent of two katanas merged together by the endpoints of the hilt. The twins Charlotte Mascarpone and Joscarpone both wield regular naginata. Charlotte Oven also used a large naginata fitting his size and height, which he used in conjunction with his Netsu Netsu no Mi to perform flaming slashes.

Guandao
A guandao is usually characterized as a pole with a curved blade at one of its ends and often decorated with a tassel or sash. The blade sometimes has a spike on its back and the other end of the pole usually has a small mace head used for counterbalancing and striking. The main difference between a guandao and a naginata is that the latter tends to have a longer, thinner blade, while the former has a shorter, wider one.

Sai of the Happo Navy uses a guandao not only as a weapon for offense and defense, but also as a tool for pole vaulting, which allows him to perform acrobatic Hasshoken moves.

Scythe
A scythe (大鎌) is a wooden shaft (though sometimes metal or plastic) with a long, curved blade projected to the side. Due to its design, the blade only causes cutting damage by swinging, and is not meant to be used for stabbing.

Doc Q uses a scythe with a metal shaft, and double blades, one on opposite side of the other; a weapon worthy of his epithet, "Grim Reaper", who are traditionally portrayed as robed skeletons wielding scythes. Caribou used a simple scythe with a wooden shaft, but it was easily broken by Pekoms. Drug Peclo, a major figure in the Underworld, carries a more sophisticated, ornamented scythe. The Charlotte Decuplets are all capable of using scythes each and can utilize a bigger one even after merging themselves together.

Maul
A maul (モール) is a heavy, often spiked, hammer head that is mounted on a shaft of varying lengths.

Naguri was seen wielding a long-shafted maul to take down a bear, and in the past fight against other pirates. Dosun wielded a gigantic hammer that was ultimately shattered by Tony Tony Chopper. Smooge also wields a large maul.

Other Polearms

 * The staff of the Baratie are equipped with what appear to be oversized forks, knives and spoons for combat.
 * Dalton's signature weapon is an oval-shaped battle spade.
 * The Alabasta guards have an unknown type of polearm which has a fan-like head. However, this does not resemble any known polearm head. The closest polearm it resembles is the Chinese monk's spade.
 * Brahm of the Tsumegeri Guards also has a strange polearm of unknown origins. The closet the tip resembles is a sasumata, which was a polearm used for catching thieves, however, Brahm's pole arm has two crescent blades that would make such an act impossible. Possibly, they are battleaxes.
 * The executioners who killed Gol D. Roger used polearms that closely resemble nagamaki, except the blade is double edged and straight.
 * Noland did not have the same type of polearm used to execute him, instead his executioners used polearms that more closely resembled glaives.
 * Mayushika of the Shandia tribe wields a polearm with antler-like horns at the tip.
 * Coribou primarily fights with a shovel, also using it to dig graves for defeated enemies.
 * Charlotte Yuen wields a strange, mace-like polearm with a round, expanding tip.
 * Scratchmen Apoo wields a pair of plain tonfa.
 * Black Maria wields an unique pole weapon with a flaming wagon wheel at the tip that resembles the yokai wanyudo.

Trivia

 * At least three of the Straw Hat Pirates, Monkey D. Luffy, Nami and Jinbe are confirmed polearm wielders, though Nami is the only one who has not discarded their use in the present.
 * Luffy, Ace, and Sabo all wielded polearms in their youth, although Luffy and Ace would later discard using them when they got older preferring to fight unarmed with their Devil Fruit powers. Sabo is the only one of them to continue using them, even after obtaining the power of Ace's Mera Mera no Mi.

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