Top 5 one piece theories

5. Shanks is the keeper of secret:

It’s believed Shanks can see further into the future and more accurately than fans anticipated. Whether due to his Observation Haki or due to years of travel, Shanks definitely knows more than he lets on. His shady acts may be to maintain the balance of power and keep history undiscovered as well – a possible history that might start a huge war.

4. MONKEY D DRAGON was a former marine:

Fans have linked the Chinese mythological portrayal of the four seas here – North, South, East, and West. The seas are represented by Yellow, Blue, White, and Red and have also been identified by animals over time as well – a Monkey, Bird, Dragon, and Dog.

If the North sea (yellow, monkey) were to be paired with Admiral Kizaru, the South sea (blue, bird) with Admiral Aokiji, and the West sea (red, dog) with Admiral Akainu, this would leave the East sea. It would go with Admiral “White Dragon” – believed to be Monkey D. Dragon, according to the theory.

3.The Giant Strawhat is Linked to Uranus:

The giant straw hat found frozen looks remarkably similar to that of Luffy’s, initially revealed in chapter 906. During the Dressrosa arc, the Donquixote Doflamingo mention Mary Geoise’s national treasure – explaining that it “would shake the world to its core if it’s made public.”

Although there is nothing confirming that the national treasure in question is the giant straw hat, the scene appeared shortly after the discussion. Because of this statement, quite a few fans believe that this straw hat may be the Ancient Weapon Uranus.

2. Shanks is IM sama’s Son:

In ONE PIECE FILM RED, Oda revealed that Shanks was found in God Valley. 38 years ago, Rocks attacked the celestial dragons in God Valley, and that’s when Gol. D. Roger and Garp joined hands to take down Rocks. After this battle, Roger found baby Shanks in one of the treasure boxes.

There is a high chance that IM sama was in God Valley when this battle happened and that Shanks is IM sama’s son who got left in God Valley.

First, Rocks’s ambition was to become the king of the world. Maybe he found out about the existence of IM sama and attempted to take over the world from IM sama. Also, the islands that got erased from the map (Ohara, God Valley, Lulusia) all have something to do with the world government’s taboo. Perhaps, this might be the reason Shanks cried when he heard something from Roger.

1. Black Beard is Nothing But Three people in One Body:

During the Marineford Arc, Blackbeard thurned the world on its head by using two different Devil Fruit powers. A feat was supposed to be impossible. One popular fan theory suggests that Blackbeard pulled this off because he has a condition known as "Fetus in fetu" and that he has two siblings inside him.

Evidence supporting this theory include how Luffy and Zoro mentioned during Jaya arc that Blackbeard is possibly more than one guy. During the Marineford arc, Marco also mentions that Blackbeard's body is unique. Finally. his Jolly roger has three skulls. The design is similar to a two headed Jolly roger belonging to the pirate twins the Decalvan Brothers. All this points to Blackbeard being a genetic chimera.

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