Ace's death has left a lasting mark on the history of One Piece and Luffy's life, but fans seem to believe one important lesson by Shanks could have saved him.

One Piece's latest cover story following Yamato's journey across Wano may have just given Luffy two very powerful allies from ...

Naturally, that directly contrasts with Yamato’s friendship with Ace, so One Piece missed a perfect chance ... Source: ...