Board Thread:Questions and Answers/@comment-10797017-20130622101437/@comment-8986886-20140612142531

Sternritter M wrote: His real Bankai could theoretically be something like that, a single blade fused handle to handle.

Since the blades differ so much in size, the balance would be way off if Ichigo's swords were to fuse into such a weapon. But then again, this is manga and it's not really bound by reality so who knows? ^^