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. TheConqueror

    "Devil Leg" Sanji vs "Diamond Champion" Burgess - One Piece End of Series matchup Theory

    Burgess comes back to the kitchen for more punishment, and this time he can handle the heat.
    4.5/5, 2 ratings
    Updated:
    Sep 24, 2016
  3. TheConqueror
    4.5/5, 2 ratings
    Updated:
    Sep 29, 2016
  4. 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
  5. District

    "One Piece" The Treasure

    Could have Oda already foreshadowed the One Piece?
    2.66667/5, 3 ratings
    Updated:
    Aug 8, 2016
  6. Yo CRHB

    Theory "The Trial of Monkey D. Luffy"

    Speculation and Theory of the Progression Plot at Whole Cake Island Arc after chapter 871
    4.4/5, 5 ratings
    Updated:
    Jul 11, 2017
  7. vikas

    Theory "TURN BACK" who wrote it.

    who wrote the message on the ship to turn back. a possible ally.
    3/5, 3 ratings
    Updated:
    Feb 3, 2017
  8. Jack Smith

    Theory "Will of D" Mingo

    Doflomingo secretly has the Will of D
    1.33333/5, 3 ratings
    Updated:
    Nov 6, 2016
  9. Legendary Po
    5/5, 1 rating
    Updated:
    Sep 30, 2016
  10. red admiral
    1.5/5, 2 ratings
    Updated:
    Apr 29, 2018
  11. Kracken D. Preston

    Theory /speculation- End of tottland arc/ Elbaf arc

    My Prediction on how Tottland arc will end and lead into the Elbaf arc after wano or further.
    4.5/5, 2 ratings
    Updated:
    Jan 13, 2017
  12. TheMrVader
    3/5, 1 rating
    Updated:
    Dec 29, 2016
  13. MasterD

    Theory 1,2, 3..ANCIENT KINGDOM THEORY TT-TT

    please frogive me ... but hey give it a try :D
    4.90909/5, 11 ratings
    Updated:
    Jan 15, 2017
  14. f4.

    Theory 2nd time skip

    2nd time skip may not be exactly a time skip.
    2/5, 1 rating
    Updated:
    Oct 15, 2016
  15. King of beasts kaido
    2/5, 4 ratings
    Updated:
    Sep 25, 2017
  16. Dave

    Theory 5 HORSEMEN OF ONE PIECE

    symbolism and foreshadow of horsemen and anti Christ in one piece
    4.88235/5, 17 ratings
    Updated:
    Sep 9, 2016
  17. animelover421
    4.2/5, 5 ratings
    Updated:
    Jun 22, 2017
  18. Treemi95
    2/5, 1 rating
    Updated:
    Feb 19, 2017
  19. OMaCC

    Speculation 9 Giant Kingdom's?

    Oda's reference of Norse Mythology, could Elbaph be 1 of 9 giant kingdoms?
    5/5, 1 rating
    Updated:
    Jun 2, 2017
  20. King of beasts kaido
    4.66667/5, 3 ratings
    Updated:
    Feb 21, 2019
  21. vikas

    Speculation A Beautiful Lady Swordsman just arrived with ton of meat.

    Yeah A Beautiful Lady Swordsman just arrived with ton of meat. yeah she is coming.
    5/5, 2 ratings
    Updated:
    May 22, 2017
  22. Wolfram87
    3/5, 2 ratings
    Updated:
    Jun 19, 2018
  23. Donal D. Trump
    2.33333/5, 3 ratings
    Updated:
    Dec 9, 2018
  24. Abiz
    4.5/5, 4 ratings
    Updated:
    Apr 13, 2017
  25. vikas

    Speculation A look at Florian triangle.

    The secret behind Florian triangle might play major role in future plot and one piece treasure.
    5/5, 1 rating
    Updated:
    Apr 8, 2018
  26. Ascaisil

    Speculation A million random things

    Several different questions about miscellaneous things in the series that may or may not be related.
    4.66667/5, 3 ratings
    Updated:
    Jan 12, 2017
  27. ravijhaxyz
    2/5, 4 ratings
    Updated:
    Jul 29, 2018
  28. Cintanna
    4.11111/5, 9 ratings
    Updated:
    Apr 27, 2017
  29. Loopin face
    0/5, 0 ratings
    Updated:
    Mar 13, 2018
  30. vikas

    Speculation A take on VOAT

    talking about two examples which can actually be VOAT.
    2.66667/5, 3 ratings
    Updated:
    Jul 11, 2017
  31. MC HAKI

    Speculation A very unlikely alliance

    If Pudding is truly bad then this is at least possible
    3/5, 1 rating
    Updated:
    Dec 29, 2016
  32. Tokiro Oumaga

    Theory A Will of Their Own - Object Zoans

    Are Object Zoans given life, or did they already have it?
    5/5, 3 ratings
    Updated:
    Oct 20, 2017
  33. Fujiman33
    0/5, 0 ratings
    Updated:
    Sep 30, 2018
  34. TheFrenchNewbie
    0/5, 0 ratings
    Updated:
    May 19, 2019
  35. Blackleg
    3.5/5, 6 ratings
    Updated:
    Apr 3, 2018
  36. Doffy Mingo
    3.66667/5, 3 ratings
    Updated:
    Jan 9, 2017
  37. Rej
    5/5, 12 ratings
    Updated:
    Jan 27, 2019
  38. Phos
    1/5, 8 ratings
    Updated:
    May 28, 2018
  39. 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
  40. King of beasts kaido
    0/5, 0 ratings
    Updated:
    Apr 9, 2018
  41. Dr_Ali
    3.5/5, 4 ratings
    Updated:
    Oct 5, 2016
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