523. Swords of Origin

While Ichigo and Renji face the nameless Zanpakutō, Kenpachi Zaraki begins his training with Retsu Unohana.

Summary:

Characters in order of appearance:
 * 1) Various Zanpakutō
 * 2) Renji Abarai
 * 3) Ichigo Kurosaki
 * 4) Ōetsu Nimaiya
 * 5) Kenpachi Zaraki
 * 6) Retsu Unohana
 * 7) Shunsui Kyōraku