is one piece episode 998 filler?

Battle ensues in the party hall, and Queen receives several reports from his subordinates. While he and King are distracted, Shinobu silently drops from the ceiling and attempts to rescue Momonosuke.

She uses a technique in an attempt to break the chains. Although she damages the chains, she is caught by King, who throws her off the balcony and sends her crashing into a tower.

She takes out a parachute to slow her fall. Momonosuke's chains finally break, and he falls off the balcony.

King pursues him, but Sanji, appearing in his raid suit, intervenes.