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. CAMUNAI

    Theory Ancient Weapons: Astronomy, The real source

    Moons of Pluto, Uranus and Neptune are the inspiration for Ancient Weapons
    4.95062/5, 81 ratings
    Updated:
    Aug 31, 2017
  3. Dave

    Theory Journey to Uranus :Winged Race

    4th Ancient Weapon -Devil fruits origins & Secret of Yami Yami no mi
    4.95556/5, 45 ratings
    Updated:
    Mar 28, 2017
  4. CAMUNAI
    4.91892/5, 37 ratings
    Updated:
    Jul 15, 2017
  5. Aloe Vera
    4.84211/5, 38 ratings
    Updated:
    May 11, 2017
  6. Dave
    4.90625/5, 32 ratings
    Updated:
    Jun 12, 2017
  7. Mr. Tiddles
    4.90625/5, 32 ratings
    Updated:
    Jan 14, 2017
  8. CAMUNAI

    Theory Devil fruitsĀ“ functioning: Pure physics

    Why do users drown? Blackbeard, awakening. Because physics!
    5/5, 24 ratings
    Updated:
    Sep 30, 2017
  9. Dave
    4.92308/5, 26 ratings
    Updated:
    Aug 29, 2017
  10. Demise
    4.92/5, 25 ratings
    Updated:
    Jul 11, 2018
  11. Saffron Kaizoku

    Theory The Extraterrestrial Origins Of The Ancient Kingdom & Celestial Dragons Revealed (Part 1)

    I believe that the Ancient Kingdom & 20 Kings both originated from the moon, "Fairy Vearth". Part 1.
    4.75/5, 36 ratings
    Updated:
    Aug 19, 2016
  12. Joy_Boy

    Theory Big Mom's Strongest - The 'Sweet Commanders' POWERS AND IDENTITIES

    In depth theory talking about who i believe to be the 3 sweet commanders and their powers.
    4.88462/5, 26 ratings
    Updated:
    Oct 11, 2016
  13. Van Reich
    5/5, 19 ratings
    Updated:
    Apr 25, 2017
  14. Theo Ries

    Theory Mystery of the Missing Moons

    How is the Plot Connected to the Planet and Its Moons?
    4.86957/5, 23 ratings
    Updated:
    Nov 25, 2018
  15. Critical Mindset
    5/5, 16 ratings
    Updated:
    Feb 28, 2019
  16. Rej

    Theory Behind the curtain: "CHARLOTTE KATAKURI"

    Tattoo analysis, Mirro-World understanding, general stuff, future speculation...
    5/5, 16 ratings
    Updated:
    Mar 18, 2018
  17. Okamakama

    Theory The Ending of Whole Cake Island.

    Whole Cake Island is repeating BM's most traumatic experience.
    5/5, 16 ratings
    Updated:
    Dec 6, 2017
  18. 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
  19. Donal D. Trump

    Theory The Forsaken

    We are going to explore the original sin of the One Piece world
    5/5, 14 ratings
    Updated:
    Apr 8, 2019
  20. 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
  21. Nessos

    Theory Namis Arc

    Totto Land is Sanjis Arc, Wano might be Zoros Arc and Elbaf Usopps Arc, but what about Nami?
    4.82353/5, 17 ratings
    Updated:
    Sep 9, 2017
  22. Dave
    4.73684/5, 19 ratings
    Updated:
    Jan 22, 2017
  23. Van Reich
    5/5, 13 ratings
    Updated:
    Jan 13, 2018
  24. Nessos

    Theory Roger and Luffy & another "Lost History"

    A theory about the connection between Luffy and Roger.
    4.92857/5, 14 ratings
    Updated:
    Aug 30, 2017
  25. Naomi Rose

    Theory Monet is based of Tinkerbell from the story Peterpan. more inside!

    possible return, a Maybe! Monet and Doflamingo based of peterpan story, You be the judge.
    4.92857/5, 14 ratings
    Updated:
    Apr 23, 2017
  26. CAMUNAI
    4.6087/5, 23 ratings
    Updated:
    Oct 8, 2017
  27. Dave
    4.86667/5, 15 ratings
    Updated:
    Sep 27, 2016
  28. Nessos

    Theory Devil Fruits Will, the Will of the Sea Devils!

    An explanation for how the Will of D could live on. DF user inherit the will of all previous owner!
    4.8125/5, 16 ratings
    Updated:
    Sep 27, 2017
  29. Hannibal Psyche

    Theory Dragon, His fruit is...?

    What the evidence says concerning Dragon's fruit type
    4.33333/5, 51 ratings
    Updated:
    Aug 6, 2016
  30. Dave
    4.76471/5, 17 ratings
    Updated:
    Jan 23, 2017
  31. 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
  32. Rej
    5/5, 12 ratings
    Updated:
    Jan 27, 2019
  33. Rej

    Theory Mihawks secret mission - The reveal of the "Secret Dragon Clan" in Wano!

    Connection between Imu, Mihawk, "Barbarossa" & Shanks, Orochi and Zoro! Kuina is dead?
    5/5, 12 ratings
    Updated:
    Sep 16, 2018
  34. Capt_NakedPanda
    5/5, 12 ratings
    Updated:
    Jul 12, 2017
  35. MasterD
    5/5, 12 ratings
    Updated:
    Apr 28, 2017
  36. Donal D. Trump

    Theory Tequila Wolf, the alternate plan of the world government

    Why was Tequila Wolf build and where did the idea originated from?
    4.92308/5, 13 ratings
    Updated:
    Dec 23, 2018
  37. Flower
    4.92308/5, 13 ratings
    Updated:
    Apr 27, 2017
  38. Dr Hogback

    Theory The origin and history of Devil Fruits

    Fitting together Winged Races, the AK, Im, Davy Jones, Raftel and more!
    4.85714/5, 14 ratings
    Updated:
    Jan 27, 2019
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