The Red Line splits the One Piece world in two—here’s what it is, how it formed, and why it matters to the Grand Line and the ...

This article contains spoilers for One Piece's Elbaf Arc. Red Line in One Piece may have been artificially created by World ...

Calm Belt in One Piece is considered safe due to no winds and waves, but is dangerous due to Sea Kings. The formation of the Calm Belt in One Piece remains a mystery, with fan theories suggesting ...