EXPLAINING the One Piece World! | One Piece 101 | Grand Line Review

Summary by Krater

This video breaks down the geography of the One Piece world, explaining the structure of the Grand Line, Calm Belt, Red Line, the Four Blues, and the vertical layers of the sea.

From the video

Answers: How is the world of One Piece structured?

• One Piece world geography
• Grand Line structure
• Calm Belt mechanics
• Red Line barriers
• Four Blues classification
• Underworld and White Sea layers

What it concludes

• The One Piece world consists of a planet predominantly covered by water, divided by the Red Line and the Grand Line.
• The Grand Line is encircled by the Calm Belt on both sides, which is windless and serves as a breeding area for Sea Kings.
• The Red Line functions as a gigantic wall extending 10,000 meters below sea level, splitting the world into the Four Blues.
• The sea in the One Piece world extends vertically into layers including the Blue Sea, the Underworld of the Sea, the Sea Floor, the White Sea, and the White White Sea.