One Piece Chapter 11, page 16: Chapter 11: FLIGHT

Zoro walks away carrying the heavy cage, telling Nami, "SO DON'T GIVE ME ANY LIP ABOUT IT!" Nami watches him go, completely stunned, thinking, "I DON'T GET IT! NO PIRATE WOULD SACRIFICE HIMSELF TO SAVE A FRIEND!" Meanwhile, Buggy's crew coughs in the clearing smoke, wondering, "WHERE'D THEY GO!?" With a loud "KRAKOOM," the smoke clears to reveal the empty rooftop. A crew member reports, "THEY'RE GONE, CAP'N!" Buggy is furious: "IMPOSSIBLE! IT'S AN IRON CAGE! IT TOOK FIVE OF US TO MOVE IT!" Another crew member suddenly notices something and screams, "OH NO!! IT'S GONE TOO!! THE KEY TO THE CAGE... SOMEONE TOOK IT!" Buggy demands, "WHAT'S GONE!?"