Marines Things

Devil Fruit are a mystical fruit that can give the user, when eaten strange, but Interesting abilities. They are rare to find throughout the Grand Line, in One Piece.

There are three Gates of Justice. They are astonishingly large gates that open the only paths that allow swift travel between Marineford, Enies Lobby, and Impel Down.

Marine Ships are the vessels used by the Marine Forces of the World Government in the One Piece series.

Sea Prism Stone (kairōseki) is filled with minerals from the sea. It's the only object that can weaken any Devil Fruit user besides the sea itself.

The Transponder Snail is one of the major forms of quick, long-distance communication in One Piece. There are many different kinds.