The storyboards for Kisuke's Bankai included his re-constructed hand ... part 4 will pick up the adaptation from chapter 661 of the original manga series. Kubo's manga has only 25 chapters yet ...

As the ultimate technique of a Soul Reaper, every time a Bankai makes its debut, it’s treated as a major event for both the characters and the audience, and the anime and manga both go all-out ...