One Piece Chapter 32, page 13-15: Grave Danger

With Zoro's guard broken, Sham and Buchi slash him across the back. Zoro screams, "UWAHH!!!" and falls heavily to the ground, bleeding. Usopp is horrified, crying, "NO... NO...!! HOW COULD YOU HIT HIM!?" Nami, however, realizes the truth, explaining, "HE DELIBERATELY BLOCKED IT WITH HIS BODY...!!" Usopp is stunned, stammering, "HE DID THAT...?!

Nami angrily scolds Usopp, yelling, "USOPP, BAKA!!! DO YOU WANNA DIE!?" Usopp stammers, "HUH?!" Nami explains, "MAYBE HE'S TRYING TO PROTECT US... IF THE BULLET HAD HIT THE ENEMY, THOSE TWO MIGHT HAVE... CHANGED THEIR TARGET AND ATTACKED US." Usopp looks at Zoro in awe, thinking, "THAT GUY... HE STILL HAS TIME TO THINK ABOUT STUFF LIKE THAT...?" Zoro slowly pushes himself up, muttering, "DAMN... IF ONLY I HAD ONE MORE SWORD...!!

Nami realizes what needs to be done, thinking, "IF THIS GOES ON... I HAVE TO GET HIS KATANAS BACK!! IF I CAN GET ZORO HIS KATANAS, HE WILL DEFINITELY WIN!" Usopp tries to stop her, saying, "IN THAT CASE, LET ME GO!!!" but Nami replies, "DON'T OVERDO IT, YOU'RE BADLY HURT!!" She dashes down the slope. Usopp calls out, "HEY!" while the tall man in the top hat spots her, wondering, "WHAT'S SHE DOING...?!