Board Thread:General Discussion/@comment-4317207-20130306162830/@comment-1393830-20130307011607

This is taking place after Shinji and them had been hollowfied. Aizen knows how to hollowfy someone, but not how to stabilize them. Ichigos hollow powers are the natural byproduct of shattered shaft training. It has nothing to do with the hogyoku. He was faced with a challenge. Gain shinigami powers or become a hollow. He took a long time causing an inner hollow to form