Theories & Speculations

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  1. One Piece (Series & Plot) 1,143
  2. Characters 2,075

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 Sanji's Hidden "Cosmic" Power
    An old SBS may hold a clue to Sanji's true power. - by Theo Ries
    Updated: Oct 10, 2016
  3. Theory Luffy's Awakening 3 :Haoshoku Haki
    The return of True King : Applications of Conquer's Haki - by Dave
    Updated: Mar 7, 2017
  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 Chopper's Dream
    Chopper's Road to becoming Panacea - by Dave
    Updated: Aug 19, 2016

View All Featured Theories & Speculations

  1. Theory Oda hinted O-tama, her role in wano and possible more to come.

    analyze of some foreshadowing and character development for O-tama and her role. Maybe Nakama?
  2. Theory MARY GEOISE, PANGAEA CASTLE AND THE LOST ANCIENT KINGDOM

    World need to be balance and Light need to be estinguished..
  3. Theory Wano will be the target for the "Great Cleansing"!

    Let's tie EVERYTHING together. 2 Weeks, Ohara, Reverie, Big Mom, Wano and Elbaf!
  4. Theory IS IM-SAMA THE NATIONAL TREASURE?

    Im-sama might just be what Doffy was talking about...
  5. Theory The Ancient Kingdom,the World Government and the Will of D. and how it is connected.

    Light Political Thoughts of the World Government and the Connection to the Will of D.
  6. Theory Mystery of the Missing Moons

    How is the Plot Connected to the Planet and Its Moons?
  1. ODACCHI
    0/5, 0 ratings
  2. Buggys Delivery Service

    Theory Exhaustive Analysis of Buggy's Bara Bara no Mi (926+)

    We take a close look at Buggy's fruit and theorize that it's the infeior version of Law's fruit!
    5/5, 7 ratings
  3. Critical Mindset
    5/5, 2 ratings
  4. Critical Mindset
    5/5, 1 rating
  5. Mr. Zoro
    4.5/5, 2 ratings
  6. jinz
    4.72727/5, 11 ratings
  7. Critical Mindset
    4/5, 2 ratings
  8. 568A
    4.72727/5, 11 ratings
  9. kikX
    4.5/5, 6 ratings
  10. ajay alagappan
    2/5, 4 ratings
  11. RabbidRabbit

    Speculation Jewelry Bonney and Portgas D.Rouge

    Jewelry Bonney is Ace's twin sister and the circumstances of her birth were very weird.
    3.66667/5, 6 ratings
  12. KingMyth2024
    1.33333/5, 3 ratings
  13. King of beasts kaido

    Theory SPIRITUAL ENERGY :EQUAL TO HAKI AND DEVIL FRUITS? IS IT STRONGER? HOW DOES IT WORK? THE MASTERS?

    Fishman Karate and Electro? Can the masters manipulate the enviroment?Can shanks change the weather?
    4.66667/5, 6 ratings
    Updated:
    Dec 11, 2018
  14. Gomuboy
    1.16667/5, 6 ratings
    Updated:
    Dec 11, 2018
  15. Buggys Delivery Service

    Theory Piecing Together Kuma's Virtuous Past and His Relationship With Princess Bonney (926+)

    We collect all the clues in order to assemble Kuma's messy backstory, as well as Bonney's!
    4.75/5, 12 ratings
    Updated:
    Dec 10, 2018
  16. Nesola

    Speculation Where is the Nidai Kitetsu?

    The sword that Zoro desperately wants is missing
    2.33333/5, 3 ratings
    Updated:
    Dec 10, 2018
  17. Critical Mindset
    4.75/5, 4 ratings
    Updated:
    Dec 10, 2018
  18. Donal D. Trump
    2.33333/5, 3 ratings
    Updated:
    Dec 9, 2018
  19. Kizoku. LyLord

    Speculation The Strange Origins of Devil Fruits

    Are some Paramecias not to crazy to exsist... on there own? I have no proof, just a suspicion.
    1/5, 1 rating
    Updated:
    Dec 8, 2018
  20. stefan999
    2.5/5, 2 ratings
    Updated:
    Dec 7, 2018
  21. FRaSp

    Theory The Rocks and their connection to other pirates

    How are the Rocks Pirates connected to other characters we already know.
    4.2/5, 5 ratings
    Updated:
    Dec 7, 2018
  22. Jace1
    4/5, 3 ratings
    Updated:
    Dec 7, 2018
  23. Zephyr

    Speculation ROX pirates First Mate was locked up in Level 6

    ROX pirates First Mate escaped Impel Down when BlackBeard released the prisoners
    3/5, 2 ratings
    Updated:
    Dec 7, 2018
  24. Zephyr

    Speculation Ryokugyu instead of Shiryuu

    Ryokugyu will fight and beat Mihawk instead of Shiryuu
    0/5, 0 ratings
    Updated:
    Dec 7, 2018
  25. Dr. Ug P. Usher
    4/5, 3 ratings
    Updated:
    Dec 7, 2018
  26. shawnfrostmax
    0/5, 0 ratings
    Updated:
    Dec 7, 2018
  27. Kizoku. LyLord

    Theory The True Power of a Conqueror King

    The thruth behind the power of Luffy's conquerors haki beyond battle - mind manipulation.
    5/5, 2 ratings
    Updated:
    Dec 7, 2018
  28. SteelSkull
    4.8/5, 5 ratings
    Updated:
    Dec 6, 2018
  29. King of beasts kaido
    3.5/5, 4 ratings
    Updated:
    Dec 5, 2018
  30. Buggys Delivery Service

    Theory Kaido’s New Joker: Buggy The Clown (926+)

    We present a case for Buggy replacing the now locked up Doflamingo's role as Kaido's Joker!
    4.78571/5, 14 ratings
    Updated:
    Dec 5, 2018
  31. Su Long Bepo

    Theory Madam Sharley's Vision And The Nine-Tailed Fox (925+)

    My interpretation of how Madam Sharley's prophecy will truly be fulfilled.
    4.63636/5, 11 ratings
    Updated:
    Dec 5, 2018
  32. Dabitdavo
    0/5, 0 ratings
    Updated:
    Dec 5, 2018
  33. Enel One Piece Theorist
    5/5, 4 ratings
    Updated:
    Dec 5, 2018
  34. Dedub
    3.75/5, 4 ratings
    Updated:
    Dec 4, 2018
  35. Man of Theory
    3.5/5, 2 ratings
    Updated:
    Dec 4, 2018
  36. Mr. Mister
    2.5/5, 2 ratings
    Updated:
    Dec 3, 2018
  37. KingMyth2024
    1/5, 2 ratings
    Updated:
    Dec 3, 2018
  38. KingMyth2024

    Speculation Haki Powers

    Random Haki points that I found intresting
    2/5, 1 rating
    Updated:
    Dec 3, 2018
  39. KingMyth2024
    2/5, 1 rating
    Updated:
    Dec 3, 2018
  40. animelover421
    2.5/5, 2 ratings
    Updated:
    Dec 3, 2018
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