is bleach episode 185 filler?

Using his Bakkōtō to gather more power, Kibune expresses his disgust at Kira, calling him a weakling who does not deserve the rank of lieutenant. Makoto throws his Zanpakutō, Reppū, at Izuru, who dodges before being knocked to the side.

Before it is able to hit him, Izuru uses Wabisuke to hold it off. Continuing to fight, Makoto begins to gain an upper hand with Reppū.

After dealing a cut, Makoto, retrieving his Zanpakutō, faces Izuru, who asks him why he joined the Third Division. When Makoto states rank is what allows him to show his real power, Izuru tells him it will not matter, as Amagai, aware of his plan, will not promote him even if Makoto does kill Izuru.