

During Fishman arc, it was told that there used to be three weapons – Pluton,
Uranus, and Poseidon.

We already know Poseidon is Shirahoshi, then what about Pluton and Uranus? And
if those are weapons, then are they related to Void Century or way past from
that time like Garden of Eden time?


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question
one-piece
Are Pluton and Uranus weapons too?


You've answered yourself:

> During Fishman arc, it was told that there used to be three weapons –
> Pluton, Uranus, and Poseidon.

Yes, they are all [(ancient)
weapons](http://onepiece.wikia.com/wiki/Ancient_Weapons).

The first time an ancient weapon was mentioned was in Alabasta. [Crocodile
asked King Cobra](https://www.youtube.com/watch?v=Qb1CyDOwYy0) where he hid
the Poneglyph containing information about **Pluton** , an _ancient weapon_.

Later in the show, we get more information about Pluton: It's a warship with
the capabilities to conquer the world. The blueprints for this ship were
passed down in a line of shipwrights for centuries, until they fell into Tom's
hands - the legendary shipwright. Later they're burned by Franky to prevent
the World Gov. (Spandam) from building the ship.

The only thing we know about **Uranus** is that it's an ancient weapon,
nothing else. We could assume its an aircraft or something similar, according
to the other weapons.

  * Poseidon = Mermaid Princess = Underwater
  * Pluton = Ship = Surface
  * Uranus = ? = Air?


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answer