Theories & Speculations

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  1. One Piece (Series & Plot) 685
  2. Characters 1,237

Top Theories/Speculations

  1. Theory Who Are They Anyway?
    Let's peek inside - by Shu
    Updated: Apr 17, 2017
  2. Theory Ancient Weapons: Astronomy, The real source
    Moons of Pluto, Uranus and Neptune are the inspiration for Ancient Weapons - by CAMUNAI
    Updated: Jul 27, 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 Chopper's Dream
    Chopper's Road to becoming Panacea - by Dave
    Updated: Aug 19, 2016

View All Featured Theories & Speculations

  1. 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.
  2. Theory Mugiwara No Ichimi - My (In)Complete Gamble

    My personal vision about the SH crew composition (check the part 2)
  3. Theory The Life of Kuzan - The Revolutionary Spy

    A theory on Kuzan's journey and becoming a revolutionary.
  4. Theory Chopper's Dream

    Chopper's Road to becoming Panacea
  5. Theory Monet and the Birdfolk

    Where did Law get the parts for Monet? WEJ President Morgans may have the answer
  6. Theory Sanji's Hidden "Cosmic" Power

    An old SBS may hold a clue to Sanji's true power.
  1. thisisbignews

    Speculation Are Ussop and Blackbeard related?

    Just realized some similarities after seeing BB's new nose in the intro.
    0/5, 0 ratings
  2. Ashura the demon

    Theory Shanks Reaction to Bartolomeo Burning His Jolly Roger

    How Shanks will react to Bartolomeo burning his Jolly Roger in the cover of chapter 875.
    0/5, 0 ratings
  3. Rhodehawk
    1.5/5, 2 ratings
  4. Capt_NakedPanda
    5/5, 2 ratings
  5. animelover421
    4.85714/5, 7 ratings
  6. OP Strange Analayst
    3/5, 1 rating
  7. Portgas D. Xatch

    Theory D.D.F. The Gura Gura no Mi, And The Power To Destroy The World...Government?

    Dissecting Devil Fruits, what makes the Gura Gura no Mi so feared, and the strongest Paramecia?
    4.57143/5, 7 ratings
  8. Okamakama
    4/5, 7 ratings
  9. Zoro.Senpai
    4/5, 5 ratings
  10. Rumbar

    Theory Buggy's new abilities and return in Wano

    theory video about Buggy's new powers based on Luffy's and his return to the story. Enjoy :)
    2.5/5, 2 ratings
  11. Commander Katakuri

    Theory Future Arcs In One Piece

    This theory will be about the future arcs and what will happen in them!
    2.5/5, 4 ratings
  12. Raman
    2.33333/5, 3 ratings
  13. Vasvai
    2.25/5, 4 ratings
  14. Infamous Grant

    Theory Avalo Pizarro: Ex-Calamity of the Beast Pirates

    Avalo Pizarro, the "King" card, has come and gone leaving X Drake as the Newest calamity!
    3.66667/5, 3 ratings
  15. Humanninjaturtle
    4/5, 2 ratings
  16. Thomas Gomes
    2/5, 3 ratings
  17. Marshall D Tim
    1.5/5, 2 ratings
  18. Tartan Owl
    3.85714/5, 7 ratings
  19. strawhatwbtpe

    Speculation Mother Carmel's Disappearance

    How Mother Carmel vanished into thin air and the power of her devil fruit
    2.5/5, 2 ratings
    Updated:
    Aug 14, 2017
  20. jinz
    5/5, 9 ratings
    Updated:
    Aug 14, 2017
  21. Kemar D. Henry
    3/5, 1 rating
    Updated:
    Aug 14, 2017
  22. thabo Motaung

    Speculation What is a Pirate King or Takes To Be One

    Rodger attained wealth,Fame and power and everthing the world had to offer
    3/5, 2 ratings
    Updated:
    Aug 14, 2017
  23. Rhodehawk
    3/5, 1 rating
    Updated:
    Aug 14, 2017
  24. Dave
    4.95/5, 20 ratings
    Updated:
    Aug 13, 2017
  25. Kneegrow991

    Speculation How Ceasar could end WCI

    Killing BM or any other character in the series, almost instantly
    3/5, 1 rating
    Updated:
    Aug 13, 2017
  26. Kemar D. Henry
    3/5, 2 ratings
    Updated:
    Aug 13, 2017
  27. MoogleComplexx
    2.33333/5, 9 ratings
    Updated:
    Aug 13, 2017
  28. Hithere
    4.42857/5, 7 ratings
    Updated:
    Aug 13, 2017
  29. Dr. Ug P. Usher
    2/5, 2 ratings
    Updated:
    Aug 12, 2017
  30. Echi

    Theory Opera is still alive

    Opera hasn't died, he just acted like he died so he can start a new life somewhere else.
    0/5, 0 ratings
    Updated:
    Aug 12, 2017
  31. AlloftheOP

    Theory Awakened Devil Fruits

    Devil Fruit Awakenings And What We Can Learn From Possible Awakened DF Users
    3.5/5, 2 ratings
    Updated:
    Aug 12, 2017
  32. Kemar D. Henry
    3.6/5, 5 ratings
    Updated:
    Aug 11, 2017
  33. DJJAMMONSTAR
    1/5, 1 rating
  34. CAMUNAI
    4.55/5, 20 ratings
    Updated:
    Aug 11, 2017
  35. Kaido Jr.
    0/5, 0 ratings
    Updated:
    Aug 11, 2017
  36. Tartan Owl
    4/5, 1 rating
    Updated:
    Aug 11, 2017
  37. Kemar D. Henry
    2.5/5, 2 ratings
    Updated:
    Aug 10, 2017
  38. Tartan Owl

    Theory Katakuri's Tactical Error.

    Has Katakuri made a mistake by being onboard Sunny?
    4.5/5, 8 ratings
    Updated:
    Aug 10, 2017
  39. shaddowkhan
    0/5, 0 ratings
    Updated:
    Aug 10, 2017
  40. Kemar D. Henry
    1/5, 6 ratings
    Updated:
    Aug 10, 2017