Great Regiment, the Battle Begins!
(大連隊、戦闘開始!, Dairentai, Sentō Kaishi!)
Chapter Info
Volume	55
Previous	The Secret of the Impure World Reincarnation
Chapter	521
Next	Because I'm Already Dead
Arc	Shinobi World War Arc
Anime	Naruto Shippūden #264, Naruto Shippūden #265, Naruto Shippūden #266, Naruto Shippūden #307
Debut
Jutsu Chakra Draining Seal • Cloud-Style Front Beheading • Earth Release: Opening Earth Rising Excavation • Eight Trigrams Vacuum Wall Palm • Fang Rotating Fang • Rupture

Great Regiment, the Battle Begins! (大連隊、戦闘開始!, Dairentai, Sentō Kaishi!) is chapter 521 of the 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 Resurrection technique even more.