Tobi walks Sasuke through the ancient rivalry of the Uchiha and Senju clans, the founding of Konoha, and the mistrust of the Uchiha that ultimately doomed Itachi.
Long before hidden villages existed, the Uchiha and the Senju were locked in ceaseless rivalry, a feud that spread the fame of both houses across the world. Drawing on what Itachi once told him, Sasuke asks whether Madara claimed his younger brother's eyes out of a hunger for glory and strength. Tobi confirms the eyes were taken, yet insists the brother surrendered them freely, hoping to secure the clan's future.
Because of that resolve, Madara resisted the Senju's repeated overtures of peace, only to be overruled by his own kin. Konoha rose from the truce, and the office of Hokage passed to Hashirama Senju rather than to Madara. Convinced the Senju would eventually crush the Uchiha, Madara moved to seize control of the village. His attempt failed and he was thought dead, but from then on the Uchiha lived under a shadow of suspicion within Konoha.

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When the Nine-Tailed Demon Fox struck the village sixteen years earlier, the leadership again pointed a finger at the Uchiha. Worn down by the constant distrust, the clan began scheming to seize the village for themselves, and that plot became the root of Itachi's tragedy.
In the Naruto chapter "The Beginning of Everything!!", Tobi tells Sasuke Uchiha about the ancient rivalry between the Uchiha and Senju clans, explaining how Konoha was founded and why the Uchiha clan came to live under a cloud of suspicion. This history, he reveals, is the root of the tragedy that led to Itachi Uchiha's fate.
Tobi tells Sasuke Uchiha about the long feud between the Uchiha and Senju clans, drawing on what Itachi had once shared with Sasuke, and reveals that Madara Uchiha took his younger brother's eyes to secure the clan's future.
Madara Uchiha grew convinced that the Senju clan would eventually crush the Uchiha, so he tried to seize control of the village after Hashirama Senju, not Madara, was named the first Hokage. The attempt failed and Madara was thought dead, leaving the Uchiha clan under lasting suspicion in Konoha.
The Uchiha clan was mistrusted in Konoha because of Madara Uchiha's earlier attempt to seize the village, and suspicion deepened when leadership blamed the clan for the Nine-Tailed Demon Fox's attack sixteen years later. Worn down by that distrust, the Uchiha began plotting to take over the village themselves.
"The Beginning of Everything!!" is chapter 399 of the Naruto manga, collected in volume 43 during the Fated Battle Between Brothers arc. Viz Media released it in English as "How It All Begins!!"
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View on FandomThis content is original writing by Daddy Jim Headquarters based on the Naruto anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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