Why was the Uchiha clan massacred?

Itachi Uchiha killed his clan to prevent a coup The Uchiha clan were among the founding families of Konohagakure. The Uchiha did not help protect the village from an attack by a great beast, which led other clans and village people to be ever more suspicious of them.

Why did Fugaku hide his mangekyou?

In the anime, during the war, a dear friend of Fugaku died in battle, allowing him to awaken the Mangekyō Sharingan, a fact he decided to keep hidden from everyone. This did not stop Fugaku from conspiring a coup d’état that would allow the Uchiha clan to take control of the village out of spite.

Why did Itachi become a spy for the Uchiha clan?

Despite this, the villagers still admired Fugaku and the Uchiha Clan’s efforts of maintaining peace. This did not stop Fugaku from conspiring a coup d’état that would allow the Uchiha clan to take control of the village out of spite. Eventually, Fugaku placed Itachi as a spy in the Anbu to pass information back to the clan.

What happened to Fugaku Uchiha?

Fugaku stands there decisive. Instead of destroying Naruto (as the Jinchuriki) he unleashes his MS and wherever they are the building explodes. Unrelenting, Kurama is destroying the city (something that was shown). The three that brought him there were destroyed. One stands atop a gate at the city: Fugaku Uchiha. Back to reality.

Why does Fugaku care so much about Itachi?

Seeing such potential in Itachi and being his eldest son, hence the successor of the clan, Fugaku focused most of his attention on him, even defending Itachi when he was suspected of killing Shisui Uchiha.

Why is the Uchiha clan so feared?

The Uchiha clan are most feared for their dōjutsu kekkei genkai, the Sharingan. They can use their Sharingan to see chakra, cast various genjutsu, and, most infamously, copy opponents’ jutsu. The Sharingan is such a versatile ability that many ninja consider it wiser to flee than to face an Uchiha in one-on-one combat.