As Mato breaks down from what she had just done, Black Rock Shooter transforms into a more psychotic and armored form known as Insane Black Rock Shooter and stands against Black Gold Saw. As Black Rock Shooter rips off her own arm to fight against Black Gold Saw, Mato passes out from the pain, preventing Yū from calling her back to her body. She brings her to Saya, who wanted to prevent Black Rock Shooter from causing destruction in the other world, but can't bring herself to kill Mato in order to do so...