What episode does kensei fight wonderweiss?

Kensei Muguruma fights Wonderweiss Margera in "Bleach" during Episode 311, titled "The Day of the Witch." This episode features the battle between the two characters as part of the larger conflict occurring in the series. Kensei, a former captain of the 9th Division, confronts Wonderweiss, showcasing their unique abilities and the stakes of their encounter.