Theories & Speculations

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  1. One Piece (Series & Plot) 906
  2. Characters 1,726

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 Who Are They Anyway?
    Let's peek inside - by Shu
    Updated: Apr 17, 2017
  3. Theory Sanji's Hidden "Cosmic" Power
    An old SBS may hold a clue to Sanji's true power. - by Theo Ries
    Updated: Oct 10, 2016
  4. Theory Journey to Uranus :Winged Race
    4th Ancient Weapon -Devil fruits origins & Secret of Yami Yami no mi - by Dave
    Updated: Mar 28, 2017
  5. Theory Luffy's Awakening 3 :Haoshoku Haki
    The return of True King : Applications of Conquer's Haki - by Dave
    Updated: Mar 7, 2017

View All Featured Theories & Speculations

  1. Theory The Life of Kuzan - The Revolutionary Spy

    A theory on Kuzan's journey and becoming a revolutionary.
  2. Theory Elbaf is under the protection of Shanks

    Several points that make me think that Shanks is the Yonkou who owns Elbaf's island.
  3. Theory Kaido's ultimate weakness; Luffy's final gear 4 mode

    Luffy must bypass Kaido's body to defeat him, but how?
  4. Theory Elbaf, Enel and the Norse Mythology

    Connecting the Norse Mythology with the series (857+).
  5. Theory Chopper's Dream

    Chopper's Road to becoming Panacea
  1. TheGodEmperorBozz
    0/5, 0 ratings
  2. TheoryTheory3
    0/5, 0 ratings
  3. Levosire
    0/5, 0 ratings
  4. Kouhei
    4/5, 1 rating
  5. Cythone578
    5/5, 3 ratings
  6. Cypher
    4.66667/5, 6 ratings
  7. vikas
    4/5, 1 rating
  8. Spitting Rednose

    Theory Soul Spirit & Body

    detailed look on how the Body, Soul and Spirit interact in the one piece world.
    4.33333/5, 3 ratings
  9. Zoro.Senpai
    5/5, 1 rating
  10. King of beasts kaido
    4.33333/5, 3 ratings
  11. Rob Gucci
    4.875/5, 16 ratings
  12. Rej Discussions

    Theory The ultimate Nico Robin theory! - To Wano, the well of the Poneglyphs!

    Some analysis on our favourite-swan Robin! Everything might lead up to Wano+! Analyzing the threats!
    4.83333/5, 6 ratings
  13. Jeffrey zorofan

    Speculation Blackbeard the Dark phoenix (Yonko series 1)

    Blackbeard the yonko of destruction and rebirth. The New Fire Dragon of the South.
    4.5/5, 4 ratings
  14. Misle D Dawn
    2.33333/5, 3 ratings
  15. Swaampii Sensei
    0/5, 0 ratings
  16. D jango

    Theory WANO IN HISTORY AND MITHOLOGY

    What has happened in Wano was on Japenese History and Mithology. These are theories about everything
    5/5, 3 ratings
  17. Law0

    Theory Wano-Country Allies: The Kabukimono Samurai

    Speculating Samurai Allies in Wano-Country based on inference from historical context
    5/5, 1 rating
  18. AdrianoC
    4.2/5, 5 ratings
    Updated:
    Apr 17, 2018
  19. Skarbang
    5/5, 2 ratings
    Updated:
    Apr 17, 2018
  20. MasterD

    Theory In Depth analysis of Wano: The summary theory

    Analyses of the territory of wano/kuni parallels with japan and much more
    5/5, 2 ratings
    Updated:
    Apr 17, 2018
  21. jinz
    5/5, 4 ratings
    Updated:
    Apr 17, 2018
  22. Naomi Rose
    4.36364/5, 11 ratings
  23. Swaampii Sensei

    Speculation The next step for Luffy

    What I think will happen in the chapters after WCI to make Luffy capable on Wano.
    0/5, 0 ratings
    Updated:
    Apr 17, 2018
  24. Theo Ries
    4.83333/5, 6 ratings
    Updated:
    Apr 17, 2018
  25. Shale
    0/5, 0 ratings
    Updated:
    Apr 16, 2018
  26. Nessos

    Theory Kaidou the WG experiment!

    One of the biggest secrets of the World Goverment
    4.83333/5, 6 ratings
    Updated:
    Apr 16, 2018
  27. Swaampii Sensei

    Theory Blackbeard and Vegapunk part 2

    How I think Blackbeard was able to obtain more than one Devilfruit.
    0/5, 0 ratings
    Updated:
    Apr 16, 2018
  28. Swaampii Sensei
    0/5, 0 ratings
    Updated:
    Apr 16, 2018
  29. Rej Discussions
    4.66667/5, 6 ratings
    Updated:
    Apr 14, 2018
  30. King of beasts kaido
    4.83333/5, 12 ratings
    Updated:
    Apr 14, 2018
  31. Afro Iceman
    0/5, 0 ratings
    Updated:
    Apr 14, 2018
  32. Asme
    2.5/5, 2 ratings
    Updated:
    Apr 14, 2018
  33. ZisforZoro

    Speculation What is the One Piece

    theory of the treasure and the ancient kingdom
    0/5, 0 ratings
    Updated:
    Apr 14, 2018
  34. kyross123

    Speculation What if...

    The will of the Ancients... "One Piece".
    1/5, 1 rating
    Updated:
    Apr 12, 2018
  35. Skarbang
    4.33333/5, 3 ratings
    Updated:
    Apr 12, 2018
  36. Nakama
    4/5, 5 ratings
    Updated:
    Apr 10, 2018
  37. Zoro.Senpai
    4/5, 1 rating
    Updated:
    Apr 10, 2018
  38. King of beasts kaido
    0/5, 0 ratings
    Updated:
    Apr 9, 2018
  39. pelthor
    1/5, 1 rating
    Updated:
    Apr 8, 2018
  40. vikas

    Speculation A look at Florian triangle.

    The secret behind Florian triangle might play major role in future plot and one piece treasure.
    0/5, 0 ratings
    Updated:
    Apr 8, 2018