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For the chapter of the same name, see Chapter 105.

A Log Pose is a compass-like navigational device, a necessity for traveling the Grand Line.

Paradise

The standard Log Pose is a bracelet with a glass orb sitting on top, and a needle floating inside the middle of that orb suspended from the top by a thin piece of wire.[1]

Normal compasses do not work in the Grand Line due to the special magnetic waves created from each island. The Log Pose functions by recording the magnetic waves of one island after another in the Grand Line, and the needle points to that island so the user can travel there. Once on an island for the required amount of time, the Log Pose resets and locks on to the next source of magnetism, causing the needle to start pointing toward the next island.[2] The time it takes to lock onto the magnetic waves of the next island varies from island to island, it could require hours, days,[3] or even years.[4]

New World

The standard Log Pose is not suitable for sailing in the New World,[5] due to the fact that some islands change or even completely hide their magnetic fields at random, which may leave a crew stranded if they rely on a Log Pose with only a single needle. To navigate safely through the New World, a crew needs to have a Log Pose with three needles. Each needle records the magnetism of one of three different islands simultaneously, as opposed to the Paradise Log Pose, which only records the magnetic waves of one island at a time. The stability of the needle reflects the stability of the island's magnetic field; if the needle is displaying erratic movement, it means that the island's magnetism is unstable.[6]

Charlotte family sibling's secret route map using the technique.

It is possible to navigate between islands following the change in direction or sensitivity of each needle as opposed to choosing to follow only one, as explained by Charlotte Pudding's map of Totto Land.[7]

The Log Pose can still be affected by the tampering of magnetic waves, as their function was warped within the Seducing Woods.[8]

For unknown reasons, some islands cannot be pinpointed by Log Poses, making them extremely difficult to reach. Notable examples include Punk Hazard and Laugh Tale.[9]

Other Variants

Larger mounted versions of a Log Pose can be found on ships such as the Thousand Sunny, as they have the Paradise version on its helm.[10] Upon reaching the New World, they updated the large Log Pose to the appropriate version.[11]

A variation of the Log Pose is the Eternal Pose, which always points to a specified island.[12]

Log Pose Owners

Many characters throughout the story own a Log Pose, as it is necessary to travel the Grand Line:

Paradise

New World

References

  1. 1.0 1.1 One Piece Manga and Anime — Vol. 12 Chapter 104 (p. 4) and Episode 63, Luffy finds a Log Pose.
  2. One Piece Manga and Anime — Vol. 12 Chapter 105 (p. 4-8) and Episode 63, Crocus explains about the necessity of a Log Pose.
  3. One Piece Manga and Anime — Vol. 12 Chapter 106 (p. 14) and Episode 64, Nami mentions the time a Log Pose roughly takes to memorize an island's magnetic field.
  4. One Piece Manga and Anime — Vol. 13 Chapter 116 (p. 13) and Episode 71, Brogy reveals that it takes one year for a Log Pose to adapt to Little Garden's magnetic field.
  5. One Piece Manga and Anime — Vol. 62 Chapter 614 (p. 5) and Episode 533, The Minister of the Left claims that the Log Pose alone does not work in the New World.
  6. 6.0 6.1 6.2 One Piece Manga and Anime — Vol. 66 Chapter 653 (p. 6-8) and Episode 573, The Minister of the Left explains to Nami about the New World Log Pose.
  7. One Piece Manga and Anime — Vol. 83 Chapter 828 (p. 10) and Episode 787, Charlotte family sibling's secret route map is shown.
  8. One Piece Manga and Anime — Vol. 83 Chapter 831 (p. 17) and Episode 792, Nami's Log Pose is affected by the Seducing Woods.
  9. One Piece Manga and Anime — Vol. 67 Chapter 666 (p. 5) and Episode 592, Law talks about the navigation to Punk Hazard.
  10. SBS One Piece Manga — Vol. 46 (p. 146), The larger pose is seen in the diagram of the helm.
  11. One Piece Manga and Anime — Vol. 83 Chapter 829 (p. 4) and Episode 788, The New World Log Pose is at the helm of the Thousand Sunny.
  12. One Piece Manga and Anime — Vol. 13 Chapter 113 (p. 14-15) and Episode 67, Igaram explains about the Eternal Pose.
  13. 13.0 13.1 One Piece Manga and Anime — Vol. 12 Chapter 105 (p. 10-12) and Episode 63, Mr. 9's Log Pose is destroyed.
  14. One Piece Manga and Anime — Vol. 18 Chapter 157 (p. 16) and Episode 70, Ace is seen with a Log Pose.
  15. One Piece Manga and Anime — Vol. 54 Chapter 523 (p. 13) and Episode 417, Ace is seen without a Log Pose.
  16. One Piece Manga and Anime — Vol. 13 Chapter 117 (p. 3) and Episode 70, Galdino is seen with a Log Pose.
  17. One Piece Manga — Vol. 40 Chapter 382, cover story: Miss Goldenweek's "Operation: Meet Baroque Works" Vol. 18, Galdino is seen without a Log Pose.
  18. One Piece Manga and Anime — Vol. 24 Chapter 223 (p. 13) and Episode 146, Eddy is seen with a Log Pose.
  19. One Piece Movie — One Piece Film: Strong World.
  20. One Piece Manga and Anime — Vol. 66 Chapter 655 (p. 8) and Episode 579, Smoker holding a New World Log Pose.

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