Great Regiment, the Battle Begins!

" Great Regiment, the Battle Begins! " ( 大連隊、戦闘開始! , Dairentai, Sentō Kaishi! , Viz: The Main Regiment in Battle!!) is chapter 521 of the original Naruto manga.

## Summary [ ]

Kabuto tells Tobi how he can stop Impure World Reincarnation , and then leaves. The shinobi army clashes with the White Zetsu Army . Kakashi 's division arrives to help out the Surprise Attack Division . Zabuza and Haku ask about what had become of Naruto since their deaths. Kabuto uses Anko Mitarashi to strengthen the Impure World Reincarnation technique even more.