Assemble! Allied Shinobi Forces!
Using his Earth Release: Ultralight-Weight Rock Technique, Ōnoki carries the Island Turtle all the way to Kumogakure. Having completed his S-rank mission, decides to check out the situation on the surface and to find out why Yamato has not returned. However, Aoba tells him that Yamato is still conducting surveillance, and is saved from prolonged inquiries when Killer B offers to help Naruto hone his mastery over the Nine-Tails Chakra Mode.
At the Mountains' Graveyard hideout, asks to extract information from Yamato without killing him, citing that he needs Yamato alive to further his experiments on and the White Zetsu Army, as the latter two contain 's cells like Yamato does. Tobi is vexed that discovered that secret while also noticing that Kabuto has discovered the cells' weakness — snake venom.
Unbeknownst to Tobi, the Infiltration and Reconnaissance Party are above the underground hideout, where Tokuma Hyūga uses his Byakugan and discovers, to his shock, that the White Zetsu Army consists of 100,000 members. Relaying this information back to team captain , she decides to notify the Allied Shinobi Forces. As a result, the shinobi of chūnin status or higher from each of the Five Great Shinobi Countries as well as samurai from the Land of Iron arrive at Kumogakure to be mobilise into several divisions, with each of them receiving a new headband signifying their alliance.
Chōza and are placed into the First Division led by Darui of Kumo, a unit composed of combatants who specialise in mid-range combat. The Second Division, consisting of short-range fighters such as , , Karui, and Kurotsuchi, are led by Kitsuchi, a jōnin from Iwagakure. , , and are positioned in the Third Division, a unit comprising of short and mid-range combat specialists, with as the unit commander, while Chōji, , and are stationed in the Fourth Division, tasked with long-range battling, with serving as the captain of the Fourth Division as well as the commander-in-chief of the Allied Shinobi Forces.
As a contingency to counterattack any disadvantageous circumstances in battle, a special battalion known as the Fifth Division is formed, consisting of members who specialise in hiden, such as , , and , led by Mifune. Kankurō is assigned as captain of the Surprise Attack Division, comprised of shinobi who are adept at ambush tactics, including and Omoi. An Intelligence Division is spearheaded by Inoichi, while C is placed under Ao's command in the Sensor Division; last but not least, the Logistical Support and Medical Division is established under Shizune's supervision. With all nine battalions being formed, the Allied Shinobi Forces are officially mobilised and ready for battle.
Back at the Mountains' Graveyard hideout, Yamato is secured to Hashirama's Artificial Body, where the cells of the First Hokage contained within his body are transplanted to the White Zetsu Army. To supplement their troops, Kabuto uses the Summoning: Impure World Reincarnation technique to call forth dead warfare aficionados to supplement their military force. Amongst the resurrected soldiers are the jinchūriki of the second, third, fourth, fifth, sixth and seventh tailed beasts; the Fourth Kazekage, the Third Raikage and the Second Tsuchikage, Hanzō of Amegakure, Chiyo of Sunagakure, Hizashi Hyūga, Dan Katō, , of the Kaguya clan, Gari, Zabuza Momochi, one of Kirigakure's Seven Ninja Swordsmen of the Mist, as well as his partner, Haku of the Ice Release; in addition, , , , Kakuzu, and , the former powerhouses of the Akatsuki. Satisfied with the infantry at their disposal, Kabuto and Tobi proclaim the Fourth Shinobi World War has officially begun.

