No one knew about Uchiha Setsuna's secret contact with Zetsu. Kagami Uchiha and Kazemori Masaki simply thought he had been lucky enough to survive the ambush. Following Zetsu's orders, Uchiha Setsuna did nothing suspicious, instead watching from the shadows and waiting for an opportunity.
Meanwhile, the war continued. The damage to their supply lines had dealt the army a serious blow, despite efforts to salvage the situation. After consulting with the Samurai Legion Leader, the Second Kazekage decided to launch an all-out offensive. They had to establish a stable foothold in the Land of Rivers before their supplies ran out.
Over the following days, the Land of Wind's samurai forces launched ferocious attacks on important towns within the Land of Rivers. The Sunagakure Ninja Forces split into small squads scattered throughout the Samurai Legion, looking for chances to disrupt the Land of Fire army's deployment and create openings for the samurai.
After arriving in the Land of Rivers himself, Tobirama abandoned Kagami Uchiha's defensive approach and launched a major counterattack. This time, he refused to give ground. Although most clashes between the Konoha Ninja and Sunagakure Ninja were localized and small in scale, the schemes and maneuvering involved were even fiercer than those of the large samurai armies.
What Kazemori Masaki had feared finally came to pass. With victory so desperately needed, Sunagakure Ninja Village resorted to even crueler methods. The Poisons Chiyo had developed became a key part of their strategy, deployed in increasingly insidious ways. As a result, large numbers of samurai and some Konoha Ninja were caught off guard and poisoned.
As one of the Shinobi World's rare masters of poison, Chiyo produced terrifying toxins. Severe poisoning caused immediate death, while milder cases left victims unable to fight, dying only after prolonged suffering. Moreover, the Poisons Chiyo