is one piece episode 652 filler?

The audience is still shouting hateful slurs at Rebecca while talking poorly of her grandfather. Luffy says that her being the former king's granddaughter is a moot point, thinking about Chinjao and his own grandfather.

The convict gladiators agree with him. One of the competitors gives Rebecca a backhanded compliment, calling her beautiful but an even bigger nuisance than Bartolomeo while another one muses that killing her would make him a local hero.

A voice calls out to stop. Cavendish enters the arena, sword drawn, mounted on his horse, Farul.