User blog comment:Xilinoc/Ch. 542 - THE BLADE IS ME/@comment-4207271-20130620040906/@comment-5681812-20130621143950

During Ichigo's dangai training, Zangetsu was talking to, and fighting with Ichigo while submerged in water. Even Ichigo himself adapted to the water quite quickly. Maybe Zangetsu could really be a water type...