Board Thread:General Discussion/@comment-24251492-20131204155955/@comment-8986886-20131209231929

ALL CAPS BANKAI wrote: FROM WHAT IVE HEARD HIS BANKAI helps his comrades its nt exactly a combat bankai bt kisuke is smart he can make it look devastatingly kool

If you're referring to Kisuke's and Renji's discussion on who should train with Chad, using Bankai, then it's the other way around; Kisuke explains that his Bankai isn't suited for helping people in any way. I'm guessing it's quite deadly.