is one piece episode 165 filler?

Nami, Zoro, and Robin made a huge discovery about Jaya that it did not sink to the bottom of the ocean but instead rose to the sky, along with all the native animals that have adapted to live in the sky. According to Nami, the half of Jaya in the sky is the City of Gold, to which Nami thinks God is praising her for being good.

Meanwhile, the Shandia have started their invasion on Upper Yard and are up against the Priests. Luffy, Sanji, and Usopp have finally left the Ordeal of Balls and find themselves in a grass field full of skulls.