Originally posted by: DarthEnder
And also, is that giant manta supposed to be her Bankai? I suppose that makes sense for the healing captain. A giant fish with healing digestive system.

Man that's gross through. I think I'd rather just bleed out.
It's actually twisted. I've gotten the impression Zanpaktous are (logically enough) true killing machines, only interested in fighting and bathing in the blood of the enemy. Even if Unohana is a captain of healers, her Zanpaktou should still be a true weapon, excellent only in killing, not healing.