is one piece episode 119 filler?

Roronoa Zoro is struggling in his fight against Mr. 1 due to his inability to cut through steel. After a prolonged battle where Zoro displays a wide variety of techniques against the assassin, he thinks back back to when his old mentor said that a swordsman who can cut nothing can cut anything including steel.

Still not understanding this idea, he is forced onto the defensive from Mr. 1's attacks which climax with the latter creating multiple spinning blades on his arms, landing a direct hit on the swordsman. Unable to defend against it, Zoro falls against a pillar and Mr.