is one piece episode 790 filler?

Several children gather around Moscato's body and cry out in grief, but they are chased off as two black nebulous beings approach. As some soldiers put Moscato's body on a stretcher, Mont-d'Or tells the beings to collect every last second from him.

A child asks Mont-d'Or if Big Mom will kill Jinbe like Moscato, but Mont-d'Or cannot give an answer, knowing that no one is safe should they anger her. Meanwhile, Jinbe and Big Mom are about to enter her castle, and Jinbe recalls what happened a few hours ago, when he called all of the Sun Pirates together.