User blog comment:Apocaylpse06/Ichigo Kurosaki's (New) Zanpakuto/@comment-919115-20110817034044

I'm going to assume that it is INDEED Zangetsu. For starters, it looks like Zangetsu. Exactly what's up with the outfit differences, Kubo will probably explain that. And the "glowing sword" I believe was made with Rukia's reiatsu.