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

View All Featured Theories & Speculations

  1. Speculation Nami's connection to Romanian lore and a bigger role to play in Wano

    Nami and her abilities may be inspired from Solomonars, Romanian weather wizards.
  2. Theory Barbarossa and Shanks The Emperors

    The commonality between Emperor Barbarossa and Emperor Shanks.
  3. Theory The Marines interference foreshadowed and built up

    Punk Hazard foreshadowing // Kiku, Zoro, Hiyori and Tashigi // Law's deathflag // Luffy vs Sentomaru
  1. Theories & speculations are being shown from all child categories.
  2. Rej
    0/5, 0 ratings
  3. TheFrenchNewbie
    0/5, 0 ratings
  4. Donal D. Trump
    5/5, 3 ratings
  5. HisashiGojira
    1.5/5, 2 ratings
  6. 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?
    4.5/5, 2 ratings
    Updated:
    May 15, 2019
  7. 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
  8. Rej
    3.33333/5, 6 ratings
    Updated:
    May 13, 2019
  9. 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
  10. Wolfram87
    4.77778/5, 9 ratings
    Updated:
    May 11, 2019
  11. Siddharth
    2/5, 1 rating
    Updated:
    May 10, 2019
  12. ArmoredFranky
    3.5/5, 2 ratings
    Updated:
    May 6, 2019
  13. 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!
    3.57143/5, 7 ratings
    Updated:
    May 4, 2019
  14. 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
  15. King of beasts kaido
    0/5, 0 ratings
    Updated:
    Apr 29, 2019
  16. Roronoa RoRo
    1/5, 2 ratings
    Updated:
    Apr 27, 2019
  17. 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
  18. powerslave87
    4.55556/5, 9 ratings
    Updated:
    Apr 25, 2019
  19. 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
  20. LogPose
    4.66667/5, 3 ratings
    Updated:
    Apr 20, 2019
  21. Sniper king ussop
    0/5, 0 ratings
    Updated:
    Apr 16, 2019
  22. 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
  23. Black Flame Titan
    2/5, 2 ratings
    Updated:
    Apr 9, 2019
  24. Donal D. Trump

    Theory The Forsaken

    We are going to explore the original sin of the One Piece world
    5/5, 13 ratings
    Updated:
    Apr 8, 2019
  25. Izaya X
    4/5, 2 ratings
    Updated:
    Apr 8, 2019
  26. Critical Mindset

    Speculation The history of Lady Toki and Wano post Void Century; Kaido targeted Toki, not Oden.

    How Lady Toki ended up journeying through time in Wano - and how Kaido figured out her history
    5/5, 4 ratings
    Updated:
    Apr 8, 2019
  27. Yehia
    3/5, 1 rating
    Updated:
    Apr 4, 2019
  28. Hithere
    4/5, 2 ratings
    Updated:
    Apr 3, 2019
  29. Tejas
    3.875/5, 8 ratings
    Updated:
    Apr 1, 2019
  30. 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
  31. Jibon1992
    3/5, 1 rating
    Updated:
    Mar 30, 2019
  32. Hithere
    0/5, 0 ratings
    Updated:
    Mar 30, 2019
  33. SotonskiMuflon
    3.2/5, 5 ratings
    Updated:
    Mar 30, 2019
  34. PapiZoro
    2.57143/5, 7 ratings
    Updated:
    Mar 29, 2019
  35. Donal D. Trump

    Theory The First Storm

    This theory explores the mysteries of the void century
    5/5, 8 ratings
    Updated:
    Mar 30, 2019
  36. Zagrash
    4.8/5, 5 ratings
    Updated:
    Mar 24, 2019
  37. Rej
    4.55556/5, 9 ratings
    Updated:
    Mar 22, 2019
  38. Critical Mindset

    Theory Bad End Musical is about the will of D. Part 2: chapter 902. A collaboration with Ghidorian Guy.

    An exploration of chapter 902 with insights gained from chapter 900: ghidorian guy chimes in
    5/5, 14 ratings
    Updated:
    Mar 22, 2019
  39. TheFrenchNewbie
    4.66667/5, 6 ratings
    Updated:
    Mar 21, 2019
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice