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Clouds are floating masses of water droplets. Many strange types of cloud exist in the world.

Types of Cloud

Sea Clouds

Main article: Sea Clouds

Sea Clouds, also called Ocean Clouds, are large water-like clouds. They form seas in the sky. One can almost sail on it as if it were water except that Sea Clouds are slightly less dense than water, and as such, things that are drop into it will sink faster than in normal water. Another difference of seas made of Sea Clouds from seas made of water is that there is no sea floor. However, they still affect Devil Fruit users like a regular body of water would. These clouds form two known seas: the White Sea and the White White Sea.

Island Clouds

Main article: Island Clouds

Island Clouds are a special type of cloud. They are fluffy, but dense enough to carry all kinds of things. They form islands in the sky seas.

Island Clouds, as well as Sea Clouds, are created when a compound in Seastone called "pyrobloin" is ejected into the air by volcanic eruptions and comes in contact with water vapors.[1] The density of the water vapors determines whether Sea Cloud or Island Cloud will be created. Both these types of clouds are not normally able to survive on the Blue Sea.[2]

Ball Clouds

Ball Clouds (玉雲 Tamagumo?) are clouds in the shape of balls. Enel briefly uses one as a floating platform when confronting the remaining participants of the Upper Yard Survival.[3] Satori used a variation known as Surprise Clouds (びっくり雲 Bikkurigumo?) in his Ordeal of Balls.

String Clouds

String Clouds (紐雲 Himogumo?) are a material similar to a very fine thread, so much that it is invisible at first sight, but at the same time very resistant. They are used by Shura for his Ordeal of String, for the purpose of entangling the victims with these threads to then be easily eliminated by the priest.

Swamp Clouds

Swamp Clouds (沼雲 Numagumo?) are clouds with the qualities of a swamp. Anyone who stands on one of these clouds will sink into it without being able to leave and end up suffocating inside the cloud. They are used by Gedatsu for his Ordeal of Swamp.

Iron Clouds

Iron Clouds (鉄雲 Tetsugumo?) are clouds that, as the name suggests, are as hard as iron. They appear in the form of barbed wire in Ohm's Ordeal of Iron.

Saccharine Clouds

Saccharine Clouds are clouds known to produce snow made of cotton candy.


  1. One Piece Manga and Anime — Vol. 26 Chapter 240 and Episode 154, Pagaya explains creation of island and sea clouds.
  2. One Piece Manga — Vol. 32 Chapter 303, The cloud from Usopp's Milky Dial is shown to disperse after being released.
  3. One Piece Manga and Anime — Vol. 29 Chapter 273 (p. 15) and Episode 180, Enel uses a dial to create a Ball Cloud platform.
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