is one piece episode 476 filler?

Ivankov is barely capable of avoiding to fall into water, as Jinbe asks what he's doing, to which he replies that he is trying to hear what is happening on the plaza. Ivankov begins to panic about Luffy and blames Jinbe.

Meanwhile, war keeps its pace, and Marco thanks Little Oars Jr. for his help. Whitebeard commands his pirates to clear the way, as he readies a powerful shockwave.

Knowing the danger Aokiji uses his powers to freeze Whitebeard on his Ice Ball, however he is unable to freeze him as Whitebeard's vibrations cannot be frozen.