Zangetsu (Zanpakutō spirit) | Bleach Wiki | …
Ichigo's Hollow mask after being used as a shield.. As Ichigo fought Renji Abarai, Renji uses Zabimaru to hit Ichigo near his heart, but the sword is stopped for some reason. . After the fight, as Hanatarō Yamada heals Ichigo, he discovers the Hollow mask Ichigo thought he threw away was what blocked Zabimaru.