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Kikoku is the name of Trafalgar Law's sword. It is a cursed sword, though is not a ranked blade.[2]


Kikoku is a large version of the typical Japanese sword type known as nodachi. It has an oblong-shaped hilt trimmed with short white fur, a purple grip with two white rings around it and a yellow pommel, sheathed in a black scabbard decorated by white crosses from the opening to the bottom, and with a small piece of red rope tied near its opening.[1] The said rope often varies in length in several forms of media, though it has so far been its longest in One Piece: Pirate Warriors 2, 3, and 4.

Due to its size, Law usually carries Kikoku over his shoulder (in contrast to other sword-wielding characters in the series, who either carry theirs on their hips or over their backs); yet in other times, he delegates one of his crewmates (namely Bepo) to carry it for him.[3]


Law combines Kikoku with his Ope Ope no Mi powers, with the sword serving as a "scalpel" or an "injection needle" of sorts, using it to cut or pierce at a distance. At full power, Law can bisect an entire mountain[4] or meteor.[5] The sword could also block Doflamingo's strings, which is a notable feat as all weapons until then were easily cut by them (unless they were reinforced with Busoshoku Haki).[6]


  • In the English localization of One Piece: Pirate Warriors 3 and 4, it is called Demon Howl in the term glossary gallery menu.
  • Kikoku is an archaic Japanese term for "the wailings of a restless ghost".
  • Law is rarely ever seen slashing with Kikoku directly. When he does use it offensively, a ROOM is often active, making the actual properties of the sword unknown, outside of the video games.


  1. 1.0 1.1 One Piece Manga and Anime — Vol. 51 Chapter 498 (p. 18) and Episode 392, Kikoku makes its debut along with Law.
  2. SBS One Piece Manga — Vol. 71 (p. 82), Kikoku is named and explained.
  3. One Piece Manga and Anime — Vol. 51 Chapter 500 (p. 16) and Episode 394, Bepo carrying Kikoku for Law.
  4. One Piece Manga and Anime — Vol. 69 Chapter 690 (p. 18-19) and Episode 616, Law bisects Caesar's mountain laboratory.
  5. One Piece Manga and Anime — Vol. 72 Chapter 713 (p. 7) and Episode 643, Law bisects a meteor Issho brought down.
  6. One Piece Manga and Anime — Vol. 73 Chapter 729 (p. 3) and Episode 661, Law manages to block Doflamingo's strings.

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