Theories & Speculations

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  1. One Piece (Series & Plot) 1,225
  2. Characters 2,216

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 Sanji's Hidden "Cosmic" Power
    An old SBS may hold a clue to Sanji's true power. - by Theo Ries
    Updated: Oct 10, 2016
  3. Theory Luffy's Awakening 3 :Haoshoku Haki
    The return of True King : Applications of Conquer's Haki - by Dave
    Updated: Mar 7, 2017
  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 Chopper's Dream
    Chopper's Road to becoming Panacea - by Dave
    Updated: Aug 19, 2016

View All Featured Theories & Speculations

  1. Theory Zoro’s Past: The Abandoned Hippo

    Connecting Zoro to a new hidden society in Wano
  2. 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.
  3. Speculation Van Augur - Special Haki Ability

    Van Augurs name implies his advanced observation haki
  4. Theory The ultimate Nico Robin theory! - To Wano, the well of the Poneglyphs! (UPDATED 02.03.2019!)

    Some analysis on our favourite-swan Robin! Everything might lead up to Wano+! Analyzing the threats!
  1. Donal D. Trump

    Theory Zoro's path: Changing a blade

    We are exploring Zoro's path of creating a black blade
    0/5, 0 ratings
  2. ODACCHI
    5/5, 2 ratings
  3. LogPose
    4.5/5, 2 ratings
  4. King of beasts kaido
    5/5, 4 ratings
  5. Donal D. Trump

    Speculation Law's trick

    Law has been hiding something from us since Punk Hazard
    4/5, 1 rating
  6. Coby D. bryant
    2/5, 3 ratings
  7. Spitting Rednose
    0/5, 0 ratings
  8. ODACCHI
    5/5, 11 ratings
  9. Sniper king ussop
    0/5, 0 ratings
  10. jinz
    5/5, 3 ratings
    Updated:
    Apr 14, 2019
  11. King of beasts kaido

    Speculation Rocks : THE BEATLES OF ONE PIECE !!

    The Rocks Pirates are influenced by the Beatles !! Whitebeard Big mom Kaido and the Lurking Legend
    4.75/5, 4 ratings
    Updated:
    Apr 14, 2019
  12. 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
  13. McNibbler

    Speculation Could Kuma be the Child of whitebeard and bonney

    Knowing that Bonney could be an older woman and Marco who hints of whitebeard having had women
    1/5, 1 rating
    Updated:
    Apr 13, 2019
  14. The_locks

    Speculation Komurasaki devil fruit

    Komurasaki was killed and then was revived
    1.75/5, 4 ratings
    Updated:
    Apr 11, 2019
  15. L o g i a

    Speculation The Future of the Blackbeard Pirates

    Outlining predictions for the Blackbeard Pirates, their powers and what to expect from their members
    4.8/5, 5 ratings
    Updated:
    Apr 11, 2019
  16. Black Flame Titan
    2/5, 2 ratings
    Updated:
    Apr 9, 2019
  17. Donal D. Trump

    Theory The Forsaken

    We are going to explore the original sin of the One Piece world
    5/5, 6 ratings
    Updated:
    Apr 8, 2019
  18. izaya10
    4/5, 2 ratings
    Updated:
    Apr 8, 2019
  19. 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, 3 ratings
    Updated:
    Apr 8, 2019
  20. MyNameIsVoodoo
    0/5, 0 ratings
    Updated:
    Apr 8, 2019
  21. Ashura the demon
    4.66667/5, 3 ratings
    Updated:
    Apr 7, 2019
  22. izaya10
    4.5/5, 2 ratings
    Updated:
    Apr 5, 2019
  23. Yehia
    3/5, 1 rating
    Updated:
    Apr 4, 2019
  24. Hithere
    4/5, 2 ratings
    Updated:
    Apr 3, 2019
  25. aptop6

    Theory The NAKAMAS Straw hats needs the most

    What is the occupations the last two nakamas going to have
    1/5, 3 ratings
    Updated:
    Apr 2, 2019
  26. Critical Mindset
    4.5/5, 4 ratings
    Updated:
    Apr 2, 2019
  27. Rej

    Theory Usopp's and Nami's connection to Madame Shirley and their roles in Elbaf!

    Usopp's lies are not comming true. Nami also has HUGE tied to the GIANT TRIBE!
    5/5, 2 ratings
    Updated:
    Apr 1, 2019
  28. Tejas
    3.875/5, 8 ratings
    Updated:
    Apr 1, 2019
  29. Donal D. Trump

    Theory The Deepest Truth of Observation Haki

    What can observation haki really do and why is it relevant in Wano?
    4.66667/5, 3 ratings
    Updated:
    Mar 31, 2019
  30. GangMemberLeo
    5/5, 2 ratings
    Updated:
    Mar 31, 2019
  31. KenshiraSonata
    1.14286/5, 7 ratings
    Updated:
    Mar 31, 2019
  32. Nessos

    Speculation Kyoshiro's true identity!

    The last big plot twists in Wano will have to do with Kyoshiro!
    4.58333/5, 12 ratings
  33. Jibon1992
    3/5, 1 rating
    Updated:
    Mar 30, 2019
  34. Hithere
    0/5, 0 ratings
    Updated:
    Mar 30, 2019
  35. SotonskiMuflon
    3.2/5, 5 ratings
    Updated:
    Mar 30, 2019
  36. Jaga D Jesus

    Speculation How strong is Koby currently in the series?

    Though he is not exclusively shown lately in the series, how strong do you think Koby has gotten?
    3/5, 4 ratings
    Updated:
    Mar 29, 2019
  37. PapiZoro
    2.57143/5, 7 ratings
    Updated:
    Mar 29, 2019
  38. King of beasts kaido

    Speculation Kozuki Hiyori : How did she Survive 20 Years? TOKI passed on her Devil Fruit Powers??

    TOKI did the same thing Mother Caramel did to pass on her Devil Fruit Powers?? Future Shogun??
    2/5, 1 rating
    Updated:
    Mar 29, 2019
  39. Monstertrio333
    1/5, 3 ratings
    Updated:
    Mar 27, 2019
  40. Donal D. Trump

    Theory The First Storm

    This theory explores the mysteries of the void century
    5/5, 8 ratings
    Updated:
    Mar 30, 2019
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