is bleach episode 153 filler?

In response to Dordoni Alessandro Del Socaccio attacking him after being healed by Nel Shower in order to continue their battle, Ichigo slashes through Dordoni's Zanpakutō, injuring him again in the process, and reappears behind him at the hallway leading out of the chamber with a concerned Nel Tu in his arms before running off, leaving a chuckling Dordoni to notice something and welcome Rudbornn Chelute and his Exequias just as they appear before him with Sonído.