Board Thread:General Discussion/@comment-25360536-20141013154617/@comment-8986886-20141013163235

If I remember correctly, Yoruichi was generalizing and she said that the Bankai was usually 5-10 times stronger than the Shikai. Some Bankai may be 15, or even 20, times stronger. Byakuya's Senbonzakura Kageyoshi could be one of those exceptions.