Board Thread:General Discussion/@comment-2211792-20130519144430/@comment-1904799-20130521042710

I've been curious about this, too. From what I can tell, it seems Kubo has distanced himself somewhat from his original concept of Hell in the Bleach universe. It hasn't been referenced canonically since Volume 2, unless you count the Hell Verse tie-in chapter, and I think, in all honesty, that Kubo just forgot to make use of it. I'd be surprised if any of the characters reference it at all in the future, since it's gone so long without so much as a mention.