Quote Originally Posted by Zero View Post

Asauchi is the strongest, because it can become anything. Every Shinigami obtains it at academy, or some other way (finds it, is given it by someone else etc.). In Ichigo's case, Rukia gave him her Asauchi along with her powers, at that point her Shikai was already inside her Shinigami Core (which seems to be as sturdy as Ichigo's since it didn't disappear even when she lost her powers).

If Ichigo took Rukia's Zanpakuto as his Asauchi, the How did Rukia regain her Zanpakuto?

Quote Originally Posted by kiduka View Post
He pulled it out from that box in his inner world:

In which case, Ichigo Materialised his Zanpakuto, rather than infuse an Asauchi with his Reiatsu?