Board Thread:Naruto Discussions/@comment-26800188-20150721182335/@comment-734582-20150725181751

Ravenlot 27 wrote: Because Orochimaru's Five Elements Seal disturbed his chakra flow in addition to complete sealing of the Nine-Tails chakra, so it can't flow out from Eight Trigramms Seal and mix with Naruto's own chakra. And why, do you think, did he use it on Naruto? i also vaguely recall something about an uneven seal on an even seal not being very good for him.