is bleach episode 160 filler?

With a cackling Aaroniero Arruruerie advancing toward her with his Resurrección, Glotonería, and Kaien Shiba's Shikai, Nejibana, Rukia Kuchiki leaps forward to attack him as she mentally apologizes to Kaien for causing his body to fall into the hands of the Hollows by killing him that night to save her own life, even though she had kept telling herself she had saved Kaien by recovering his body, which has ended up not being true, as she remembers a dying Kaien asserting that he would leave his heart here.