Gameplay-wise, Tensa Zangetsu is remembered for one thing: blitzing . The Getsuga Tenshō (Moon Fang Heaven-Piercer) fired from this form is no longer a wave; it is a black, focused laser. When Ichigo stops Byakuya’s Senbonzakura Kageyoshi with his bare hand in chapter 166, the message is clear: Rules don’t apply here.