Aizen would kick-start Hollow-fication in each of them, beginning their transformation into frighteningly powerful Hollows with no self-control and an appetite for carnage. As it turns out, it was Aizen, Gin Inchimaru and Kaname Tōsen who had betrayed their fellow Soul Reapers, but that wasn't all they did. As they went to investigate, they were all mysteriously cut down. The Visored all, at some point, were sent to go investigate the mysterious mass deaths and disappearances that were happening all over Soul Society.
