is bleach episode 54 filler?

While preparing to face off against one another atop the damaged pavilion, 11th Division Captain Kenpachi Zaraki and 7th Division Captain Sajin Komamura, who is wielding his Bankai, Kokujō Tengen Myō'ō, are startled when a surge of energy flares up from Sōkyoku Hill, leading them to realize that the execution ceremony has begun. Around the Seireitei, 11th Division 3rd Seat Ikkaku Madarame, 13th Division 3rd Seat Sentarō Kotsubaki, 11th Division Lieutenant Yachiru Kusajishi, and the Ryoka notice this as well.