Luffy and Yamato, who were eavesdropping the announcement's projection and loudly reacting to Kaidou's scheme and Momonosuke's situation, accidentally fell from the attic onto the floor below, with Yamato angered at Kaidou while Luffy followed his lead.

After spectators were surprised by an explosion produced by Yamato's then-removed handcuffs, the Nine Red Scabbards appeared behind the execution platform and managed to pounce on the Emperor before he could kill Momonosuke, officially beginning the invasion of Onigashima.

Yamato: looking at the nine red scabbards it's them!! The akazaya nine excited

Luffy: relief they arrived safe.