Because Kubo Tite chose to do that. He did not give details on it. They are just two parts of the same body that can manifest independent of each other at certain times
If Hollow Ichigo and Zangetsu are the same spirit how can they manifest individually, like when Zangetsu had Ichigo fight his Hollow when battling Kenpachi (not referring to the time Tensa Zangetsu tore Hollow Ichigo out of Ichigo during the FGT training)
Because Kubo Tite chose to do that. He did not give details on it. They are just two parts of the same body that can manifest independent of each other at certain times
Because Kubo Tite chose to do that. He did not give details on it. They are just two parts of the same body that can manifest independent of each other at certain times