Ichigo attacks him with a Getsuga Tenshō and is able to hurt him, but Aizen regenerates himself and reveals that he implanted the Hōgyoku in his body. Aizen then decides to tell Ichigo everything he knows about him and reveals that he has known him since the day he was born, and that all of his battles have gone the way he desired. Just as Aizen is about to tell him who he is, Isshin Kurosaki appears in between his son and Aizen, exclaiming that he has said too much. After Ichigo gets used to the fact that his father is a Shinigami, he goes and fights Gin while Isshin fights with Aizen. After Gin and Ichigo talk about when they first fought, Gin activates his Bankai, Kamishini no Yari, and uses its long length and destructive force to destroy the surrounding buildings. However, Ichigo is a