is one piece episode 77 filler?

Once Sanji realizes that he is talking to Mr. 0, he pretends to be Mr. 3 and convinces the Warlord that he has eliminated Vivi and her Straw Hats escort. During the conversation, Crocodile's messengers, the otter, and its partner, the vulture, called the Unluckies, arrive to deliver an Eternal Pose for Arabasta to Mr. 3.

They attack Sanji, but he kills them. To justify the noisy interruption, Sanji tells Mr. 0 that one of the Straw Hats was still alive.

Crocodile tells him to return to Arabasta and after the conversation, he orders Miss All-Sunday to order Mr. 2 to intercept and eliminate Mr.