If you are a completionist or enjoy the Bount arc's darker, more atmospheric tone, Episode 75 is a solid "piece" of storytelling that sets up the major battles to come. However, if you are strictly following the manga's canon, this entire arc (Episodes 64–108) is considered filler and can be bypassed to head straight into the Arrancar Arc .
When a possessed Ikkaku charges at Kenpachi, the captain doesn’t hesitate. He cuts Ikkaku down in one swift strike—not to kill, but to knock him unconscious and force Ritz out. It’s a cold, pragmatic move that reminds us why Zaraki leads the division: he trusts his subordinates to survive or die trying, but he won’t let a puppet shame their pride. bleach ep 75