Sea of Clouds
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The Sea of Clouds is a Subspace Emissary stage in SSBB.
Kirby and the rescued princess, still riding Kirby's Warp Star, are forced to land on the Halbred after it crashes into them. They explore the ship until they see an Arwing get shot by the Halbred. Kirby and the princess are also shot, too. They fall off the ship and explore the sea of clouds until they disappear in a yellow door with a light flashing through it.