User blog comment:Xilinoc/Ch. 542 - THE BLADE IS ME/@comment-4207271-20130620040906/@comment-10630156-20130620050150

I think that it is a dual type (fire and water) YZangetsu hates the water in his inner world and is the "Fire" Zanpakuto and Hollow Ichigo is the "Water" Zanpakuto. The question is what would the abilities of such a Zanpakuto be?