is one piece episode 916 filler?

After having defeated Luffy, Kaidou orders his men to imprison him. However, even while unconscious, Luffy manages to use Supreme King Haki and knock out the goons.

Despite this, Kaidou transforms into his dragon form and goes back to Onigashima. After escaping Hawkins, Law ends up in a forest, still injured by the nail.

However, Hawkins finds Luffy and arrests him. Meanwhile, Okobore Town has been devastated by Kaidou's attack.

Tsuru tends to an injured old man, where Kin'emon, in disguise, sees her for the first time in twenty years. He also sees Ashura Doji ride by.