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. Hithere
    4/5, 2 ratings
    Updated:
    Apr 3, 2019
  3. Tejas
    3.875/5, 8 ratings
    Updated:
    Apr 1, 2019
  4. 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
  5. Jibon1992
    3/5, 1 rating
    Updated:
    Mar 30, 2019
  6. Hithere
    0/5, 0 ratings
    Updated:
    Mar 30, 2019
  7. SotonskiMuflon
    3.2/5, 5 ratings
    Updated:
    Mar 30, 2019
  8. PapiZoro
    2.57143/5, 7 ratings
    Updated:
    Mar 29, 2019
  9. Donal D. Trump

    Theory The First Storm

    This theory explores the mysteries of the void century
    5/5, 8 ratings
    Updated:
    Mar 30, 2019
  10. Zagrash
    4.8/5, 5 ratings
    Updated:
    Mar 24, 2019
  11. Rej
    4.55556/5, 9 ratings
    Updated:
    Mar 22, 2019
  12. 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
  13. TheFrenchNewbie
    4.66667/5, 6 ratings
    Updated:
    Mar 21, 2019
  14. Nalio
    4.75/5, 4 ratings
    Updated:
    Mar 18, 2019
  15. Rej

    Speculation Kawamatsu is a Kappa!

    I believe Kawamatsu is a Kappa or has the Kappa Zoan.
    4.625/5, 8 ratings
    Updated:
    Mar 15, 2019
  16. Monstertrio333
    3/5, 2 ratings
    Updated:
    Mar 13, 2019
  17. sschwartz0121

    Speculation Kid's bounty and his role in taking down kaido

    Kid's Bounty will have a huge jump after wano and he will play a big part in defeating kaido
    4.5/5, 2 ratings
    Updated:
    Mar 13, 2019
  18. Charlotte Horchata
    4/5, 2 ratings
    Updated:
    Mar 5, 2019
  19. Ashura the demon
    5/5, 1 rating
    Updated:
    Mar 4, 2019
  20. Strawzeus

    Speculation Momo is Uranus

    Momo being Uranus because of his power of talking with creatures
    1.5/5, 2 ratings
    Updated:
    Mar 4, 2019
  21. Mochi Mochi Katakuri Desu
    3/5, 3 ratings
    Updated:
    Mar 3, 2019
  22. Critical Mindset
    5/5, 16 ratings
    Updated:
    Feb 28, 2019
  23. Monkey D. Draggin

    Speculation "Highest Bounty" Dragon & Shanks

    I will explain my thoughts on this from two perspectives; An author's and a story.
    4.5/5, 6 ratings
    Updated:
    Feb 28, 2019
  24. Joaquin Sablada

    Theory Bakunawa

    Blackbeard's darkness quake dragon originate from the philippines
    4/5, 4 ratings
    Updated:
    Feb 23, 2019
  25. King of beasts kaido
    4.66667/5, 3 ratings
    Updated:
    Feb 21, 2019
  26. Rej

    Speculation Speculating FUTURE arcs: Estimating a prognosis!

    Using some plotmaterial to deliver you my picture of how things will evolve.
    4.88889/5, 9 ratings
    Updated:
    Feb 19, 2019
  27. kikX
    3/5, 1 rating
    Updated:
    Feb 17, 2019
  28. Mr. Mister
    5/5, 2 ratings
    Updated:
    Feb 17, 2019
  29. Drackend
    4.4/5, 5 ratings
    Updated:
    Feb 16, 2019
  30. Man of Theory
    5/5, 1 rating
    Updated:
    Feb 16, 2019
  31. Roll Credits

    Speculation Kyoshiro's plan to become Shogun

    Kyoshiro's working with Komurasaki to marry Hiyori to become Shogun.
    5/5, 2 ratings
    Updated:
    Feb 16, 2019
  32. Herr Krokodil

    Speculation The True power of Logia

    Logia's elemental abilties go far beyond what the elements can do naturally.
    4.8/5, 10 ratings
    Updated:
    Feb 16, 2019
  33. Cabinboy126
    3/5, 1 rating
    Updated:
    Feb 15, 2019
  34. Shlomy Kroizer

    Theory The identities of Hiyori and Komurasaki.

    discussing - Hiyori, Komurasaki, Lady Toki, and Witching Hour Boy.
    2/5, 3 ratings
    Updated:
    Feb 9, 2019
  35. MyNameIsVoodoo
    2/5, 1 rating
    Updated:
    Feb 9, 2019
  36. kikX
    1/5, 2 ratings
    Updated:
    Feb 8, 2019
  37. TheDrStrange

    Speculation What i Think Uranus is and how it could be used

    In This ill Be talking about what i think uranus is and how it coudl eb used as a wepon
    4.33333/5, 3 ratings
    Updated:
    Feb 7, 2019
  38. TheDrStrange
    2/5, 2 ratings
    Updated:
    Feb 5, 2019
  39. Donal D. Trump

    Theory Shanks backstory: A hat from the past

    Let's explore Shanks ancestor and the true originator of the straw hat!
    5/5, 12 ratings
    Updated:
    Feb 5, 2019
  40. darkpit06
    4/5, 3 ratings
    Updated:
    Feb 2, 2019
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