One Piece Encyclopedia

Eisen Whip

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Eisen Whip[1] is a sword owned by Ohm. A Milky Dial installed in its base supplies a constant stream of Iron Cloud, which acts as the blade of the sword.[2]


In its default state, the sword bears the appearance of a normal katana, aside from the dial at the pommel and the color of the blade, and is kept in a white scabbard.


The Iron Cloud blade is steel-hard but cloud-light, which allows Ohm to change the shape of his sword for offensive or defensive measures that would fit the situation, creating a very versatile and deadly weapon. All of Ohm's named attacks start with "Eisen", which is the German word for "iron".

Eisen Whip.
Eisen Back.

Attack ListEdit

  • Eisen Whip (鉄の鞭 (アイゼンウィップ) Aizen Wippu?, literally "Whip of Iron"): Ohm unleashes a powerful whip-like attack from his sword, making it look like a projectile attack at high speeds.[3]
  • Eisen Back (鉄の堤防 (アイゼンバック) Aizen Bakku?, literally "Embankment of Iron"): Ohm forms a solid wall to block any of his opponent's attacks.[4]
  • Eisen Fan (鉄の扇 (アイゼンファン) Aizen Fan?, literally "Fan of Iron"): Ohm shapes the blade if his sword into a fan-like blade and strikes against his opponent.[4]
  • Eisen Fork (アイゼンフォーク Aizen Fōku?): Ohm shapes his sword into a giant fork and wields it like a whip once again.[4]
  • Eisen Fleuret (アイゼンフルーレ Aizen Furūre?): Ohm shapes his sword into a long, sharp spear and projects it against his opponent.[4]
  • In the videogames the sword can enlarge itself so big that it can cut a temple in half.


  1. One Piece Yellow: Grand Elements (p. 250), "Eisen Whip" is confirmed to be the name of the sword.
  2. One Piece Manga and Anime — Vol. 29 Chapter 269 (p. 10) and Episode 176, Ohm explains his Milky Dial-made sword.
  3. One Piece Manga — Vol. 29 Chapter 269.
  4. 4.0 4.1 4.2 4.3 One Piece Manga — Vol. 29 Chapter 271.

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God's Army
God and Priests: Enel  •  Ohm  •  Gedatsu  •  Shura  •  Satori
Military forces: Divine Soldiers (Yama  •  Hotori and Kotori)  •  Divine Squad (Moyle)  •  Holy  •  Fuza  •  Gode
Police forces: White Berets (McKinley)
Ship(s): Ark Maxim
Devil Fruit Based: Goro Goro no Mi
Weapon Based: Milky Arrow  •  Ten-Fold Axe  •  Heat Javelin  •  Eisen Whip  •  Nonosama Bo
Dial Based: Axe Dial  •  Breath Dial (Jet Ski)  •  Flame Dial  •  Flavor Dial  •  Heat Dial  •  Impact Dial  •  Jet Dial  •  Milky Dial
Others: Mantra  •  Ordeals  •  Clouds (Surprise Clouds  •  String Clouds  •  Swamp Clouds  •  Iron Clouds)
Related Articles
Story Arcs: Skypiea Arc
Cover Stories: Gedatsu's Accidental Blue-Sea Life  •  Enel's Great Space Operations
Locations: Skypiea  •  Birka  •  Moon  •  Karakuri Island
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Swords and Bladed Weapons
Named Blades: Wado Ichimonji  •  Yamaoroshi  •  Shodai Kitetsu  •  Nidai Kitetsu  •  Sandai Kitetsu  •  Yubashiri  •  Shigure  •  Kashu  •  Yoru  •  Terry Sword  •  Eisen Whip  •  Shusui  •  Oto and Kogarashi  •  Soul Solid  •  Durandal  •  Kikoku  •  Same-kiri Bocho  •  Pretzel  •  Shichiseiken 
Other Blade Weapons: Axe  •  Cat Claws  •  Kogatana  •  Kiribachi  •  Bruiser Axe  •  Peacock Slashers  •  Heat Javelin  •  Burn Blade  •  Ten-Fold Axe  •  Funkfreed  •  Kessui  •  Kirisame
Related: Meito  •  Kitetsu  •  Swordsmen
Projectile Weapons
Firearms: Flintlock  •  Flintlock .44 Caliber 6 Shot Revolver  •  Lassoo  •  Yellow Gun  •  Gero Gero Gun  •  Senriku  •  Flash Gun
Artillery: Buggy Balls  •  Royal Drum Crown 7-Shot Bliking Cannon  •  Burn Bazooka/Flame Bazooka  •  Brachio Tank V  •  King Cannon   •  Eagle Launcher   •  Alpacacino 
Slingshots: Ginga Pachinko  •  Kabuto  •  Kuro Kabuto
Others: Milky Arrow  •  Battle Smasher
Other Weapons
Ancient Weapons: Pluton  •  Poseidon  •  Uranus
Non-Bladed Polearms: Nanashaku Jitte  •  Clima-Tact  •  Nonosama Bo  •  Perfect Clima-Tact  •  Sorcery Clima-Tact
Cyborgs: Cyborg Tactics/Armored Me  •  Pacifista (Shiro Kuma)  •  Kau Ra Kau   •  Zau Ra Zau 
Others: Poison  •  Dials  •  Gorilla Puncher 13  •  Shinokuni  •  Roba-san Kick 18   •  Senpu King   •  Dyna Stone 

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