Board Thread:Naruto Discussions/@comment-945885-20140709082448/@comment-24593592-20140714125034

Mrlmm0605 wrote: Alright then, here's why that is wrong. Chakra has been shown to cause demonstrable physical changes in individuals when introduced (the most patent examples being Orochimaru's juinjutsu utilizing the Sannin's senjutsu chakra to cause mutations)

Juinjutsu was based on a already existing KKG.