Past Glory
The Third Hokage's initiative to communicate with Uchiha Fugaku and the entire Uchiha Clan stemmed primarily from his fear that Uchiha Clan Shimura Danzō, Uchiha Fugaku, and even the entire Uchiha Clan. [Baidu] If the Shimura Danzō Uchiha Clan's methods, internal problems, even a split, would inevitably arise within Konoha. After all, the Uchiha Clan remains one of Konoha's top clans. Even though the Hyuga Clan can rival the Uchiha Clan, no other clan has yet been able to shake the Uchiha Clan's position in Konoha.
Therefore, in order to the Uchiha Clan and maintain internal peace in Konoha, the Third Hokage decided to personally intervene and communicate with the current head of the Uchiha Clan, Uchiha Fugaku. However, what the Third Hokage and Shimura Danzō probably never expected was that while Shimura Danzō obtained information about Uchiha Yue, Uchiha Fugaku obtained the same information.
It turns out that the Uchiha Clan had planted a spy within the Root team as early as when it was first established. However, that spy was not a member of the Uchiha Clan, so even though Shimura Danzo was in charge of the Shimura Danzō, the Uchiha Clan planted within the Root team could still transmit information to the Uchiha Clan, that is, the head of the Uchiha Clan, in the first instance.
Information about Uchiha Yue was something that Uchiha Fugaku desperately needed.
Thus, just as the Root team members obtained information about Uchiha Yue, not only Shimura Danzō and the Third Hokage in Konoha received this information, but also Uchiha Fugaku, the current head of the Uchiha Clan. Moreover, just as the Third Hokage was preparing to speak with Uchiha Fugaku was reviewing the information about Uchiha Yue.
When he first read that intelligence report, Uchiha Fugaku was probably still relatively calm.
But...
When Uchiha Fugaku finished reading the intelligence report, just like the Third Hokage and Shimura Danzō, the current head of the Uchiha Clan, Uchiha Fugaku, couldn't help but lose his composure after reading it!
"This."
"Is this the power of the Mangekyō Sharingan?"
After a brief moment of stunned silence, Uchiha Fugaku quickly recovered and was immediately shocked by Uchiha Yue's performance in the Land of Water.
However, after learning about Uchiha Yue's actions in the Land of Water, Uchiha Fugaku felt that Uchiha Yue's ability to deal so forcefully with the Kirigakure ninjas was entirely due to his Mangekyō Sharingan. As for how Uchiha Fugaku knew Uchiha Yue possessed the Mangekyō Sharingan, it was because Uchiha Yue was present when Uchiha Fugaku Mangekyō Sharingan.
However, after learning that Uchiha Yue had Mangekyō Sharingan, Uchiha Fugaku did not suggest it to anyone.
Whether it was his fellow Uchiha Clan members or his closest wife, Uchiha Fugaku kept the matter a secret and never mentioned it.
It's estimated that if Uchiha Yue's performance in the Land of Water hadn't been so awe-inspiring, Uchiha Fugaku probably wouldn't have wanted to even think about it.
Uchiha Fugaku didn't want to recall the fact that Uchiha Yue had awakened the Mangekyō Sharingan. Uchiha Fugaku was somewhat worried that Tsuki's position as clan head might be threatened by the Uchiha Yue Mangekyō Sharingan. Every member of the Uchiha Clan knew very well the terrifying power of the Mangekyō Sharingan. In particular, Uchiha Fugaku had personally witnessed Uchiha Yue Mangekyō Sharingan Mangekyou Sharingan; the Uchiha Yue exuded upon Mangekyō Sharingan Uchiha Clan head Uchiha Fugaku.
Fortunately, Uchiha Yue left Konoha after awakening the Mangekyō Sharingan.
Otherwise, every day that Uchiha Yue in Konoha, Uchiha Fugaku would probably have to worry about whether he could keep his position as clan leader.
Only...
After learning about what Uchiha Fugaku Uchiha Yue had done in the Land of Water, Uchiha Fugaku no longer worried about his position as clan leader.
Because when Uchiha Fugaku learned of what Uchiha Yue had done, his first thought was about the power of the Uchiha Fugaku Mangekyō Sharingan.
As for Uchiha Fugaku's second idea, it was to use Uchiha Yue's Mangekyō Sharingan to restore the glory of the Uchiha Clan!
"If only I could use Yue-kun's Mangekyō Sharingan..."
"Then the former glory of my Uchiha Clan may very well be restored during my tenure as clan head!"
"In this way, I will very likely be recorded in history books, and even in the history of the entire Uchiha Clan!"
"When that time comes, I might become someone comparable to Uchiha Madara, the first Uchiha Clan leader to lead the Uchiha Clan to glory!"
As he silently pondered this, a flame of ambition ignited in Uchiha Fugaku's eyes.
Uchiha Fugaku had witnessed the glory of the Uchiha Clan and experienced their period of immense power in Konoha. However, after Uchiha Madara's battle with the First Hokage, Senju Hashirama Uchiha Clan, at the Valley of the End, the Uchiha Clan began its gradual decline. In fact, due to the elders' control of the Uchiha Clan, Uchiha Fugaku experienced the fastest period of decline. Therefore, whichever ambitious Uchiha Clan becomes the clan head, that member will undoubtedly want to lead the Uchiha Clan to restore its former glory.
Instead of being a powerful family in Konoha like the Hyuga Clan, who were once severely suppressed.
Undoubtedly, Uchiha Fugaku was an extremely ambitious Uchiha Clan ninja. After becoming the current Uchiha Clan head, he always wanted to lead the Uchiha Clan to glory. Unfortunately, Uchiha Fugaku, which Shimura Danzō Uchiha Clan in a very awkward position within Konoha. However, now Uchiha Fugaku sees hope for the Uchiha Clan's return to glory: the Mangekyō Sharingan of Uchiha Yue!
In Uchiha Fugaku's view, since Uchiha Yue could wreak havoc in the Land of Water with her Mangekyō Sharingan, she could also use it to lead the Uchiha Clan to glory once again. However, just as Uchiha Yue was secretly pondering how to leverage Uchiha Yue's strength to rise again in Uchiha Fugaku Konoha...
Suddenly, an elite member of the Uchiha Clan entered Uchiha Fugaku's room and respectfully said:
"Clan leader, the Third Hokage has arrived!"