is bleach episode 106 filler?

As he prepares to attack Ran'Tao with a concentrated blast of wind, Jin Kariya pauses in shock upon remembering the amulet she gave him when he was a boy known as Eugene Currier. In the past, Eugene sees Ran'Tao speaking with several other Bount in the cave system she brought them all to and wonders who she is, prompting an older female Bount sitting on a rock behind him to identify her as a Shinigami and assure a surprised Eugene that she came from a place known as Soul Society in order to help protect and save the Bount.