When it comes to gut-wrenching moments in anime, few series cut as deep as the deaths in One Piece.

We've seen several characters' dark demise in anime history, but these are some of the saddest deaths that are hard to forget.

Anime sucks me in with its bold stories and characters I can’t help but root for, only to rip my heart out with losses that stick with me forever. The saddest deaths aren’t just emotional—they’re ...