Naruto, Vol. 55: The Great War Begins plunges the ninja world into the decisive conflict. This volume details the immediate mobilization and early battles of the Fourth Great Ninja War, as the newly formed Allied Shinobi Forces clash with the powerful army of the newly revealed villain, Madara Uchiha (and Obito). The volume showcases the terrifying power of the Impure World Reincarnation technique, which brings back legions of powerful, legendary deceased ninjas to fight for the enemy. Naruto, unaware that the war has begun, continues his training, while the alliance faces its first wave of resurrected, nearly unstoppable opponents, leading to emotional and difficult battles.