User blog comment:Apocaylpse06/Ichigo Kurosaki's (New) Zanpakuto/@comment-4307134-20110817041254

I believe that it is still Zangetsu, but With a new piece. For example when Ichigo became Part Hallow, Tansa Zangetsu changed little. Maybe with the new Full bring powers he had achieved Zangetsu changed a little or have a new part added.