User blog comment:B214/Volume 22 spoilers/@comment-185.112.105.215-20161011161249/@comment-86.174.158.212-20161013013457

You are more then likey right, I was thinking that if anyone tried to use that poison on Iseei agian the best way to defend himself without dying would be if he devoloped Touki. Then agian I can be wrong.