Cavendish warns that Doflamingo's "Birdcage" is a trap meant to ensure no survivors, prompting the fighters to realize that taking Doflamingo's head is the only way to escape. Key Character Appearances
Monkey D. Luffy, Trafalgar Law, Cavendish, Kin'emon, Kanjuro, Kyros, and various Colosseum fighters like Sai, Ideo, and Hajrudin. One Piece Episode 691
Luffy, Law, and Cavendish continue their charge toward the palace's fourth level, overcoming various Donquixote Family subordinates along the way. Cavendish warns that Doflamingo's "Birdcage" is a trap