With the end of the Third Shinobi World War, the ninja villages and Feudal Lords of the Five Great Nations finally had the energy to turn their attention to domestic rebellions.
Although the shinobi world had temporarily welcomed peace, the effects of war were far from gone. Economic hardship, class oppression, and the widening gap between rich and poor sparked public discontent across the nations.
Thus, driven by the ninja villages and Feudal Lords of each nation, campaigns to suppress rebellions began throughout the shinobi world.
The rebellion in the Land of Lightning was the fiercest, especially after the rise of the Jashin Cult made the rebel forces extraordinarily powerful.
Using their mysterious immortal bodies and bizarre doctrines as a rallying cry, the Jashin Cult rapidly drew in vast numbers of followers, even coercing many ordinary civilians into joining their ranks.
Not only did these cultists possess formidable regenerative abilities, but they also fought with firearms obtained during the war, becoming a major threat to Kumogakure and the Land of Lightning.
Using "immortality" as bait, the Jashin Cult preached that the power of the evil god could grant eternal life and divine power surpassing ninjutsu. Its influence was especially widespread in the Land of Hot Water.
Many followers were drawn in by this promise. In particular, after the war had claimed countless lives, many families yearned for a power that could transcend death and flocked to the Jashin Cult.
The newly appointed Fourth Raikage, A, resolved to crush the domestic rebellion with an iron fist, especially the Jashin Cult.
A led Kumogakure's elite shinobi forces in repeated assaults on the Jashin Cult's headquarters.
Although the cultists' immortal bodies initially made them difficult to handle, Kumogakure's shinobi gradually dismantled the Jashin Cult's defenses through meticulous strategy and powerful ninjutsu.
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