Who Is the Ancient Weapon Poseidon in One Piece? (& Has She Been Revealed?) Dive into the mysterious world of One Piece as we uncover the ancient weapon Poseidon and its true capabilities. What makes it so powerful and sought after?

Understanding the Context

ポセイドン / Poseidon An ancient weapon with the name of a god that appears in the manga One Piece . In One Piece, the massive vessel called Noah—also known as the Ship of Promise —is a colossal ancient ark located on Fish-Man Island. Built during the mysterious Void Century, the ship is part of a promise connected to the island’s future and to the ancient weapons, especially Poseidon, who has the power to command Sea Kings. The people of Fish-Man Island believe Noah will one day play a ...

Key Insights

Poseidon is one of the three Ancient Weapons, alongside Pluton and Uranus. Poseidon is not an object but a living being: a mermaid endowed with the extraordinary ability to communicate with and command the Sea Kings. The power is currently manifested in Shirahoshi, the 16-year-old mermaid princess of the Ryugu Kingdom. Poseidon takes the form of a mermaid of the Ryugu Kingdom's royal bloodline ... Poseidon has the power to communicate with and control sea kings, an ability that even the mightiest of merfolk cannot use.

Final Thoughts

What are the powers of the Ancient Weapon Poseidon? Poseidon is one of the three Ancient Weapons, along with Uranus and Pluton, the latter possessing equal power and being capable of destroying entire islands. Pluton is one of the three Ancient Weapons, alongside Poseidon and Uranus. Pluton is a highly advanced warship capable of mass destruction, labeled the World's Worst Battleship (世界最悪の戦艦, Sekai Saiaku no Senkan?).[2][3] It was constructed long ago in the city of Water 7 in the Grand Line.[4][5] The battleship is said to be capable of destroying whole islands in a single shot[6 ...