Fourth Hokage: Namikaze Minato's World,
Minato had never thought about invading the other shinobi villages. This was due to the danger of the Nine-Tails Rebellion if the assailant had succeded, coinciding with the birth of his son.
Minato had turned his focus inward, dedicating more of his energy to the care of his own family. Additionally, he aimed to restore Konoha to its former glory and elevate the strength of its ninjas. These actions were all part of his long-term plan.
One thing was clear to Minato: his world, though not expanding as rapidly as Hashirama's had, had its unique advantages. No shinobi Village had dared to stand against the Konoha's current strength. A fact not unknown to the other Kages and Daimyos.
Although, Konoha had recently weathered a crisis that nearly destroyed the entire village. Now, it not only survived but also restored the peace of days gone by. Those who lived through this transformation were considered fortunate.
Minato and other weaker members of the group knew they had the support of other Hokages in an emergency. Moreover, Minato's strength had grown immensely. Not only did he possess the power of the Marine Six Styles, but his physical prowess and agility had also greatly improved. His repertoire even included space-type devil fruit powers, such as the Doa Doa no mi, which he successfully combined with his Flying Thunder God technique.
This made his attacks elusive and nearly impossible to guard against. No one, even fellow Konoha ninjas, could detect any hidden signs and would fall to his attacks.
Meanwhile, outside of Konoha, the rest of the world remained ignorant of Minato's activities. In truth, using his Door Fruit, Shadow clones, and the Flying Thunder God Technique, Minato had secretly visited the neighboring small countries, conducting extensive intelligence investigations.
This allowed him to gather a wealth of valuable information about these villages and Daimyos' mansions, including the actual strength of their ninjas and samurai in the country. Minato, in collaboration with his advisors, meticulously documented these findings, preparing for future wars.
After a period of preparation and assessment, Minato finally initiated his plan, commencing attacks on the nearby small buffer nations, carefully avoiding confrontations with larger nations like the Land of Earth and the Land of Lightning. His extensive intelligence gave him a significant advantage, allowing him to secure victories over the smaller nations with minimal losses. Minato intended to gradually absorb these neighboring small countries, one by one, expanding his influence.
Tsukyomi Sixth Hokage Obito's World,
Obito was also embarking on his strategic endeavor, inspired by the tactics he had learned from Ryan. His first step involved launching attacks on neighboring nations, much like Ryan's approach, targeting less resistant, smaller countries. Obito planned to gradually annex these countries, a process that unfolded smoothly.
Obito was a formidable force in his own right. He wielded the Mera-Mera no mi, which, when unleashed, could generate large-scale fire-style attacks.
The ninjas from small shinobi villages had never witnessed such a battle before. Obito's style of combat scared them all. Some quickly realized that they were outmatched and had no choice but to surrender to save their lives.
Under Obito's command, Konoha's territory rapidly expanded. However, neighboring major nations weren't oblivious to these actions. Konoha's aggressive stance immediately drew the attention of the surrounding powers and neighboring countries, causing them to become cautious.
The World of First Hokage Uchiha Madara,
Externally, the battles were astonishingly one-sided. Uchiha Madara's strength was truly overwhelming. He possessed not only a formidable Eternal Mangekyō Sharingan but also the Rinnegan. Additionally, his Hashirama Sage Body bestowed upon him immense chakra reserves, enabling him to unleash colossal-scale ninjutsu with incredible power. He even had new abilities like Zanpakuto Ryūjin Jakka at his disposal. The cumulative might of these abilities left him without any challengers.
Even without the aid of his many potent abilities, Madara could contend with numerous Jōnin singlehandedly. With these abilities, he was an unstoppable force in battle. His blade, Ryūjin Jakka, cut down swathes of ninjas with ease. Madara's incredible strength rendered tactics unnecessary; he simply overwhelmed his opponents.
In his battle against the Tsuchikage, he proved no match for Uchiha Madara. He barely had time to release a single ninjutsu before being gravely injured by him. The other ninjas were equally powerless to resist. Madara systematically dismantled all resistance. Faced with such a formidable force, the Land of Earth had little choice but to surrender to avoid complete annihilation.
The Land of Earth fell under Uchiha Madara's control almost at the speed of light, with the entire battle lasting less than a day. It was a swifter victory than the ninjas had spent on the journey to get there. Madara wasted no time and pressed on, launching a relentless assault on the Land of Lightning.
Learning of the Land of Earth's fall, Raikage was filled with dissatisfaction and decided to show Madara what true super speed and unstoppable attack power meant. However, the outcome was unsurprising, as Madara's Rinnegan and Sage Body rendered him nearly invincible in both speed and Taijutsu.
Raikage hadn't even finished his first words when Madara, with the help of super-scale senjutsu, ruthlessly defeated him. The Raikage, once a formidable figure, lay helpless on the battlefield, his body bearing the severe consequences of this encounter. Midway through the battle, he sustained serious injuries that left him unable to continue.
Raikage's fate mirrored that of many other ninjas who had fallen to the ground, victims of the devastating super-large-scale jutsu. The surviving ninjas, despite any initial reluctance, had no choice but to surrender.
Madara's release of such a terrifying ninjutsu left no room for defiance. Those who dared to resist knew that the entire Cloud Shinobi Village would face destruction.
In an astonishingly short period, Uchiha Madara successfully conquered both the Land of Earth and the Land of Thunder.
The World of the Fifth Hokage, Kakashi,
In this particular world, Kakashi's background was, in fact, less privileged. Unlike other worlds where powerful figures held sway and remarkable feats were common, Kakashi was left with relatively limited human resources.
He possessed the Enel's Goro Goro no mu, which did strengthen him compared to his previous state. His speed was now on par with his sensei's teleportation, and his attack power had increased significantly. Kakashi was tasked with addressing the challenges left behind by the former Third Hokage.
He found himself unable to launch attacks on other nations, burdened by the responsibilities he inherited. The Chūnin exams proceeded as usual. Orochimaru, with his mastery of disguises, managed to infiltrate Konoha Village. However, he received shocking news that would change his plans dramatically: the Third Hokage had passed away. This unexpected turn of events forced Orochimaru to reevaluate his schemes, as his sensei had been killed without his knowledge.
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