User blog comment:Godisme/Eliminate From Heaven/@comment-4207271-20130221103350/@comment-5775318-20130221162423

Meybe Isane, or yumichika or prehaps rangiku on the grounds that yumichika and rangiku were trying to learn bankai or at least master (which was around a year and a half ago in the manga) and the fact that isane never really has had any "screen time" plus she is more qualified via the healing kido.