Theories & Speculations

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  1. One Piece (Series & Plot) 1,043
  2. Characters 1,914

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 Im vs Alabasta - The 4 biggest threats to the World Government!

    Hope needs to be extinguished, Vivi is representing it. What could happen the next?
  2. Theory IS IM-SAMA THE NATIONAL TREASURE?

    Im-sama might just be what Doffy was talking about...
  3. Theory The Ancient Kingdom,the World Government and the Will of D. and how it is connected.

    Light Political Thoughts of the World Government and the Connection to the Will of D.
  4. Theory MARY GEOISE, PANGAEA CASTLE AND THE LOST ANCIENT KINGDOM

    World need to be balance and Light need to be estinguished..
  1. Zoro.Senpai
    1.66667/5, 3 ratings
  2. Timmy
    1/5, 1 rating
  3. stefan999
    4/5, 1 rating
  4. Phos
    1.5/5, 2 ratings
  5. Noctifago

    Speculation Yonkos/Four horseman

    Yonko characters being based (sorta) on the four horseman
    4.33333/5, 3 ratings
  6. zakzoro98

    Theory Zoro's Fights in Wano Theory

    Here are my thoughts and beliefs as to whom Zoro will fight in Wano and why. Enjoy
    3.5/5, 2 ratings
  7. Con.D.Oriano
    4/5, 1 rating
  8. Black hair Kris
    5/5, 1 rating
  9. stefan999
    5/5, 1 rating
    Updated:
    Aug 15, 2018
  10. dizzy2341
    4/5, 1 rating
    Updated:
    Aug 14, 2018
  11. OG_Silvers_Rayleigh
    4/5, 1 rating
    Updated:
    Aug 14, 2018
  12. Sanji_

    Theory The Meaning Behind "D": Darkness vs Light?

    In certain places, the clan of D have been called by another name, God's Archenemy
    3/5, 1 rating
    Updated:
    Aug 14, 2018
  13. reecewazup96
    2.33333/5, 3 ratings
    Updated:
    Aug 14, 2018
  14. Rhodehawk

    Speculation Basil Hawkins Connections to the Strands of Fate& the Power of A Yonkou

    Basil's Connection to Life and Death and His Place Among an immortal Yonkou crew
    3/5, 3 ratings
    Updated:
    Aug 12, 2018
  15. Puppet Master

    Speculation Teach’s Tangible Logia

    Why can Blackbeard still be hit? Is it because of this strange ‘body’?
    2.75/5, 4 ratings
    Updated:
    Aug 10, 2018
  16. Portgas D. Xatch
    4.83333/5, 6 ratings
    Updated:
    Aug 10, 2018
  17. reecewazup96
    4.42857/5, 7 ratings
    Updated:
    Aug 9, 2018
  18. Wasabaki

    Theory Monkey D. Dragon's Past and His True Goal and the D. Family History

    This is about Dragon mostly, why he wants to destroy specifically the Celestial Dragons. Not Marines
    4/5, 3 ratings
    Updated:
    Aug 8, 2018
  19. kikX

    Theory Luffy's Wano Power Up

    What will be his power up to fight Kaido?
    1/5, 6 ratings
    Updated:
    Aug 8, 2018
  20. OPExplorer

    Speculation Luffy's complete snake-man Mode

    Luffy's snake-man mode is conceived for snake-shot-based attacks.
    0/5, 0 ratings
    Updated:
    Aug 7, 2018
  21. Zoro.Senpai
    1.33333/5, 3 ratings
    Updated:
    Aug 7, 2018
  22. 90second UC News
    3.5/5, 6 ratings
    Updated:
    Aug 6, 2018
  23. Ashim Goyal
    4/5, 1 rating
    Updated:
    Aug 5, 2018
  24. Timmy
    4.5/5, 2 ratings
    Updated:
    Aug 3, 2018
  25. Portgas D. Xatch

    Speculation My Ranking of ALL the Zoan fruits and models!

    Both Cannon and Non-Cannon included, All Known zoans speculated here!
    3.5/5, 4 ratings
    Updated:
    Aug 2, 2018
  26. crate

    Speculation Who is this lurking Legend?

    Speculation about some characters and the lurking legend
    4.5/5, 4 ratings
    Updated:
    Aug 1, 2018
  27. Man of Theory

    Speculation Whitebeard and Kaido's Unfinished Rivalry "The Fall Of Wano" OP 912 Speculation

    How a as of yet disclosed rivalry between whitebeard and kaido led to kaido's takeover of wano
    5/5, 1 rating
    Updated:
    Aug 1, 2018
  28. Rej

    Theory Sanji vs Sora!

    Sanjis first concluded New World fight!
    5/5, 6 ratings
    Updated:
    Jul 30, 2018
  29. Naomi Rose
    4.75/5, 4 ratings
    Updated:
    Aug 1, 2018
  30. ravijhaxyz
    2/5, 4 ratings
    Updated:
    Jul 29, 2018
  31. AdagioJump

    Theory ONE PIECE

    What if one piece isn't a treasure
    3/5, 2 ratings
    Updated:
    Jul 29, 2018
  32. Zoro.Senpai
    3.33333/5, 6 ratings
    Updated:
    Jul 29, 2018
  33. Rhodehawk
    3/5, 1 rating
    Updated:
    Jul 28, 2018
  34. crate

    Speculation The will of D: Blackbeard and Dragon's Past

    Where does Blackbeard come from and what is the connection between Dragon and Ohara?
    3.5/5, 2 ratings
    Updated:
    Jul 26, 2018
  35. Sero
    4.66667/5, 3 ratings
    Updated:
    Jul 26, 2018
  36. ZoroDSwordmaster
    3/5, 1 rating
    Updated:
    Jul 24, 2018
  37. Arnie Birds
    4.4/5, 5 ratings
    Updated:
    Jul 24, 2018
  38. Mang Kanor
    1.75/5, 4 ratings
    Updated:
    Jul 24, 2018
  39. TheAncientTheorist
    0/5, 0 ratings
    Updated:
    Jul 23, 2018
  40. crate

    Speculation Coincidence or is everything planned by Goda?

    Chapter 935 & 953 will provide us with new information about Robin and Dragon
    4/5, 3 ratings
    Updated:
    Jul 23, 2018
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