is one piece episode 980 filler?

Usopp attempts to snipe down Kanjuro but he deflects the attack. Sanji also joins in but Kanjuro uses a special technique to repel him.

He uses his hair to create an ink cloud which rains arrows of ink below. The arrows strike Sanji, as well as the allies and their ships.

The Straw Hats attempt to evade the barrage of arrows. Kanjuro revels in the anguish of the allies.

Momonosuke is initially too afraid due to the height, but remembers Luffy encouraging him back in Zou. He also remembers the speech he gave to the prisoners back in Udon that earned the loyalty of the prisoners.