Arlong "Arlong the Saw"

One Piece may be the story of a boy who wants to be the Pirate King, but it's also a rollicking adventure on the high seas. It's an emotional roller coaster filled with high points and low points and when One Piece hits the low points, be prepared for tears. Here are 10 sad moments from the series!

One Piece and friendship go hand-in-hand. Although the friendship theme is seen throughout the series, Luffy and his crew members show that they have more than a captain-subordinate relationship. Read more about the bonds between the Straw Hats here.