Theories & Speculations

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  1. One Piece (Series & Plot) 997
  2. Characters 1,853

Top Theories/Speculations

  1. Theory Ancient Weapons: Astronomy, The real source
    Moons of Pluto, Uranus and Neptune are the inspiration for Ancient Weapons - by CAMUNAI
    Updated: Aug 31, 2017
  2. Theory Who Are They Anyway?
    Let's peek inside - by Shu
    Updated: Apr 17, 2017
  3. Theory Sanji's Hidden "Cosmic" Power
    An old SBS may hold a clue to Sanji's true power. - by Theo Ries
    Updated: Oct 10, 2016
  4. Theory Journey to Uranus :Winged Race
    4th Ancient Weapon -Devil fruits origins & Secret of Yami Yami no mi - by Dave
    Updated: Mar 28, 2017
  5. Theory Luffy's Awakening 3 :Haoshoku Haki
    The return of True King : Applications of Conquer's Haki - by Dave
    Updated: Mar 7, 2017

View All Featured Theories & Speculations

  1. Speculation Nami NEEDS Monet's Devil Fruit!!! Explaining the possibilities.

    An exploration of the way Nami could utilize the Yuki Yuki no mi if she did get it.
  2. Theory Zoro & Tashigi's Origin: The Secret of Asura

    Origin of Zoro, the Truth between Tashigi & Kuina & finally the secret of Asura
  3. Theory Fishing for Future Strawhats with the "Ones that Got Away"

    presenting a pattern for predicting permanent pirates
  4. Speculation Dissecting Devil Fruit: Time to Wake up Luffy

    Gomu Gomu No.2... Part two of Luffy's Dissection, and awakening theory
  5. Theory Brook's Awakening: The Key to Escaping Totland

    A nation of souls is nothing before the power to control life itself.
  1. Kakashi_m
    3/5, 1 rating
  2. Rej
    4.5/5, 2 ratings
  3. Cristerte
    3/5, 1 rating
  4. black dove

    Theory Vivi a Pirate Queen

    Im's sama possible vision and reason for targeting vivi
    0/5, 0 ratings
  5. Sniper king ussop
    5/5, 2 ratings
  6. Sero

    Theory At One Piece 920+ plot

    Questionable Plot!!! I know, but dont throw th possibility there's the word " WHAT IF "
    1.5/5, 2 ratings
  7. flappy
    3.33333/5, 3 ratings
  8. Man of Theory
    5/5, 1 rating
  9. Shar D. rachit

    Theory Story of void century and Im-sama and joyboy connection.

    My First theory on from my new account :). theory is about IM-sama origin and Joyboy And clan of D
    4/5, 3 ratings
  10. ZeMolho

    Speculation Bartholomew Kuma's Humanity and Plan

    This speculation tries to predict Kuma's ties to the RA and talk a little about his devil fruit
    4/5, 1 rating
  11. Wolfram87
    3/5, 2 ratings
  12. vikas
    4/5, 1 rating
  13. Rej
    0/5, 0 ratings
  14. Lily
    5/5, 3 ratings
  15. GeneralCracker
    0/5, 0 ratings
  16. Skills D. Kyle
    4.33333/5, 6 ratings
  17. hiper05
    5/5, 1 rating
    Updated:
    Jun 18, 2018
  18. Saikō no Kenshi
    5/5, 1 rating
    Updated:
    Jun 18, 2018
  19. Rej
    4.5/5, 2 ratings
    Updated:
    Jun 18, 2018
  20. Deku
    1/5, 2 ratings
    Updated:
    Jun 18, 2018
  21. CharlossTenryubito
    2/5, 1 rating
    Updated:
    Jun 18, 2018
  22. Toto27
    4/5, 1 rating
    Updated:
    Jun 18, 2018
  23. Wolfram87

    Speculation Vegapunk was the leader of "Rocks"!

    He studied Big Moms soul-soul-fruit to invent the "devil fruit - object" transfer technology.
    3.33333/5, 3 ratings
    Updated:
    Jun 18, 2018
  24. Sniper king ussop
    0/5, 0 ratings
    Updated:
    Jun 17, 2018
  25. Rej

    Theory Im vs Alabasta - The 4 biggest threats to the World Government!

    Hope needs to be extinguished, Vivi is representing it. What could happen the next?
    5/5, 9 ratings
    Updated:
    Jun 17, 2018
  26. DFGod
    0/5, 0 ratings
    Updated:
    Jun 17, 2018
  27. vikas

    Theory More Hint that the World will get united into One piece 90

    one piece hints on how the world was a single piece at one point.
    5/5, 1 rating
    Updated:
    Jun 17, 2018
  28. Hakani
    5/5, 2 ratings
    Updated:
    Jun 16, 2018
  29. DetectiveGaimon

    Theory Blackbeard and Uranus

    Blackbeard May possess one of the anctient weapons
    4/5, 4 ratings
    Updated:
    Jun 16, 2018
  30. Ma_D._Monk

    Theory Usopp Finds Immense Power in Wano

    Usopp will gain a power-up in Wano that has been foreshadowed since early on in the series.
    3.2/5, 5 ratings
    Updated:
    Jun 16, 2018
  31. Syskill
    0/5, 0 ratings
    Updated:
    Jun 16, 2018
  32. pelthor

    Theory Eyes of IM/IMU...

    Advanced Observation haki, does not have to be future sight.
    0/5, 0 ratings
    Updated:
    Jun 16, 2018
  33. Dasarathi
    3/5, 1 rating
    Updated:
    Jun 16, 2018
  34. Somual
    2.2/5, 5 ratings
    Updated:
    Jun 15, 2018
  35. Bishop D. George
    4.5/5, 2 ratings
    Updated:
    Jun 15, 2018
  36. justsomeguy
    0/5, 0 ratings
    Updated:
    Jun 15, 2018
  37. black dove

    Speculation Blackbeard new look

    Hints to the actual battle against the whitebeard pirates
    1/5, 3 ratings
    Updated:
    Jun 15, 2018
  38. KINGKONGGUN15
    2/5, 1 rating
    Updated:
    Jun 15, 2018
  39. TheGodEmperorBozz
    5/5, 1 rating
    Updated:
    Jun 15, 2018
  40. The クンフー ジュゴン
    3/5, 3 ratings
    Updated:
    Jun 15, 2018
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