The people beign taken will probaly get a big power boost of this but in a way they might not like. And since they are taking Zangetsu to it will get fixed and powered up aswell most likely.
Wondering if its the same method the Vandereich got so powerfull.
Or they get hollowfied? Whenn ichigo got healed by Orihime after Ulquiorra killed him he turned hollow.
Kenpachi not beign there is suprising hopefully Yachiru has something to do with it i love that little girl! Want to see her in action