Board Thread:Naruto Discussions/@comment-26367861-20161025235033/@comment-734582-20161026170827

Pesa123456789 wrote: The latter takes a long time, as evidenced by Madara. More specifically: Madara only bit off a very small piece of flesh which he had to painstakingly cultivate. Reincarnation Madara had a massive chunk of Hashirama flesh which made him re-awaken the rinnegan orders of magnitude faster.