is one piece episode 876 filler?

Near Cacao Island, the Big Mom Pirates look at the flaming ship wreckage left in the Thousand Sunny's place, and remark how their victory was inevitable. Mont-d'Or's group on Whole Cake Island celebrates, as do the people on other Totto Land islands when they hear the news.

On Funwari Island, Perospero marvels at the effectiveness of Pudding's wedding cake, which has been consumed in its entirety. Big Mom, now back at her normal size, lies on the ground in a blissful daze.