Board Thread:General Discussion/@comment-10587310-20130620070434/@comment-2211792-20130620135851

You've seen only one example of a reforged zanpakuto, and you already say it's never the same? Ichigo's zanpakuto changed because Juhagetsu stopped suppressing his true power, and Ichigo fully accepted both him and Hichigo. I doubt Renji's case will be as special.