is bleach: thousand-year blood war (bleach: sennen kessen-hen) episode 26 filler?

Having revived his Schutzstaffel by draining the powers and life of the Wandenreich still in the replaced Seireitei with Auswählen, Yhwach commands them to show their wings as four Quincy: Vollständig are activated behind a startled Ichibe'e Hyōsube. With the force of this impacting the replica Tenchūren carrying Ichigo Kurosaki and his friends, Sternritter "A" Uryū Ishida and "B" Jugram Haschwalth watch as "C" Pernida Parnkgjas, "M" Gerard Valkyrie, "D"Askin Nakk Le Vaar, and "X" Lille Barro land before them.