is one piece episode 699 filler?

At the King's palace, Doflamingo is seen recovering from Luffy's Red Hawk to which he spits blood out. Law tells Luffy that all the damage they've managed to inflict are superficial wounds, stating that the strategy they used won't work a second time.

In Dressrosa Koala finds Sabo and sees if he's alright. Sabo says he is while Koala scolds him for not maintaining his position stating he should not be fighting an Admiral just because of his emotions.

She says he could put the Revolutionary Army at war with them but Sabo retorts stating all that mattered to him was saving Luffy.