One Piece (Series & Plot)

Theories under this category are related to the main plot and the series as a whole.

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 Journey to Uranus :Winged Race
    4th Ancient Weapon -Devil fruits origins & Secret of Yami Yami no mi - by Dave
    Updated: Mar 28, 2017
  3. Theory Fairy chess in Totland's arc and what could await us (plus Harry potter and Alice)
    Conections between chess games,the current and future arc - by CAMUNAI
    Updated: Jul 15, 2017
  4. Theory Elbaf, Enel and the Norse Mythology
    Connecting the Norse Mythology with the series (857+). - by Aloe Vera
    Updated: May 11, 2017
  5. Theory Will of D -2 :Truth of Mariejois
    Darkness of World Govt - by Dave
    Updated: Jun 12, 2017
  1. Theories & speculations are being shown from all child categories.
  2. Donal D. Trump

    Theory The History of the World

    We are examining Joyboy's journey, identity & uncovering the true history of the world
    5/5, 2 ratings
  3. King of beasts kaido
    3/5, 1 rating
  4. flappy

    Theory Little Garden and Wano

    Oda uses little Garden to show us what's coming
    4/5, 4 ratings
    Updated:
    Jun 8, 2019
  5. MammothBoy78

    Theory Strawhat theory

    Theory about how the will of D is passed down from strawhat
    4.75/5, 4 ratings
    Updated:
    Jun 5, 2019
  6. DrPsycho
    1.66667/5, 3 ratings
    Updated:
    Jun 1, 2019
  7. Haylash
    3/5, 1 rating
    Updated:
    Jun 1, 2019
  8. BKumafangirl67
    5/5, 2 ratings
    Updated:
    May 31, 2019
  9. Gawnfall
    1/5, 3 ratings
    Updated:
    May 30, 2019
  10. aptop6

    Theory Creating "One Piece"

    Is it possible to manually create "One Piece"...??
    1/5, 1 rating
    Updated:
    May 29, 2019
  11. Seventy
    3.33333/5, 3 ratings
    Updated:
    May 29, 2019
  12. Critical Mindset
    2.6/5, 10 ratings
    Updated:
    May 27, 2019
  13. Gomuboy
    3/5, 2 ratings
    Updated:
    May 27, 2019
  14. Donal D. Trump

    Theory Ace's path: SAD & SMILE

    Today we are uncovering Ace's purpose and speculate where his "path" will end
    4.85714/5, 7 ratings
    Updated:
    May 25, 2019
  15. SaltandPepperMix
    4.33333/5, 3 ratings
    Updated:
    May 25, 2019
  16. aptop6
    3.8/5, 5 ratings
    Updated:
    May 24, 2019
  17. Rej
    4.25/5, 4 ratings
    Updated:
    May 22, 2019
  18. TheFrenchNewbie
    0/5, 0 ratings
    Updated:
    May 19, 2019
  19. Donal D. Trump

    Theory The world of One Piece

    We are exploring the mysteries of the Grand Line
    4.33333/5, 6 ratings
    Updated:
    May 16, 2019
  20. HisashiGojira
    1.33333/5, 3 ratings
    Updated:
    May 16, 2019
  21. Critical Mindset

    Speculation The florian triangle is going to be important to the end game of One Piece

    Did Oda make use of a colour spread to foreshadow the importance of this mysterious location?
    4.6/5, 5 ratings
    Updated:
    May 15, 2019
  22. TheFrenchNewbie

    Theory SMILE, emotions, a DF user

    Who is taking the emotions, and the importance towards the current plot
    3/5, 2 ratings
    Updated:
    May 14, 2019
  23. Rej
    3.33333/5, 6 ratings
    Updated:
    May 13, 2019
  24. pandaman429

    Speculation Blended Excerpts from Japanese History (CH. 942 spoilers)

    Oda's been blending different events from Japanese history and it's kinda nuts.
    4.66667/5, 3 ratings
    Updated:
    May 12, 2019
  25. Wolfram87
    4.77778/5, 9 ratings
    Updated:
    May 11, 2019
  26. Siddharth
    2/5, 1 rating
    Updated:
    May 10, 2019
  27. ArmoredFranky
    3.5/5, 2 ratings
    Updated:
    May 6, 2019
  28. Rej

    Theory Oda's Warning! - The chapter 944 foreshadowing!

    A new series handeling the warning's Oda layed our for his characters - this time 944 and Zoro!
    3.5/5, 8 ratings
    Updated:
    May 4, 2019
  29. Tokiro Oumaga

    Speculation On the Origin of Series - Zoan Taxonomy (pt 1)

    Just how closely related do two Zoans need to be in order to be counted as the same series?
    4.57143/5, 7 ratings
    Updated:
    Apr 30, 2019
  30. King of beasts kaido
    0/5, 0 ratings
    Updated:
    Apr 29, 2019
  31. Roronoa RoRo
    1/5, 2 ratings
    Updated:
    Apr 27, 2019
  32. france95

    Theory Arcadia and Robin's path

    The colorspread to chapter 941 gives hints to next arcs
    4.66667/5, 3 ratings
    Updated:
    Apr 27, 2019
  33. powerslave87
    4.55556/5, 9 ratings
    Updated:
    Apr 25, 2019
  34. MyNameIsVoodoo

    Speculation Tonoyasu...Possible "D."?

    A few parallels between Yasu and past "D." members we have seen...
    2.5/5, 2 ratings
    Updated:
    Apr 25, 2019
  35. Nessos

    Speculation Kyoshiro's true identity!

    The last big plot twists in Wano will have to do with Kyoshiro!
    4.66667/5, 18 ratings
    Updated:
    Apr 25, 2019
  36. LogPose
    4.66667/5, 3 ratings
    Updated:
    Apr 20, 2019
  37. Sniper king ussop
    0/5, 0 ratings
    Updated:
    Apr 16, 2019
  38. Carrotlaststrawhat

    Speculation Could Koshiro be Denjiro?

    Could Koshiro , the sensei from Zoro in east Blue be Denjiro?
    3.5/5, 4 ratings
    Updated:
    Apr 13, 2019
  39. Black Flame Titan
    2/5, 2 ratings
    Updated:
    Apr 9, 2019
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