Eiichiro Oda’s One Piece globe is split by two key geographic lines—the Grand Line and the Red Line. Among everything else, these two are the structural backbone of the series, dictating ...

The Red Line in One Piece has always been mysterious. The size, shape, and consistency of the Red Line confuse even dedicated fans—but perhaps the explanation isn't so complex. Some believe it ...

The Egghead Incident Arc in One Piece's anime may be leading us to a huge reunion, so here's what you need to know.