1. Totsuka-no-Tsurugi, or the Yatagarasu Sword, is a sacred treasure in Japanese mythology. It is the most important sword symbolizing imperial power in Japanese culture.

2. In "Naruto," Orochimaru wields Totsuka-no-Tsurugi to battle the Third Hokage and kills him.

3. Sasuke, who follows Orochimaru, also obtains a Totsuka-no-Tsurugi, but his sword is different. It is a single-edged sword without a handguard and he uses it throughout the series. 

4. The Yata Mirror is another sacred treasure in Japanese mythology that symbolizes imperial authority.

5. In "Naruto," Uchiha Itachi possesses the Yata Mirror.

He uses it with his Susanoo, a powerful defensive shield. The mirror can deflect any attack, making it a strong defense. 

6. Kusanagi-no-Tsurugi, or the Grass-Cutting Sword, is powerful in Japanese mythology and is one of the three sacred treasures.

7. In "Naruto," Uchiha Itachi wields Kusanagi-no-Tsurugi in his right hand while using his Susanoo. It has sealing capabilities and can trap a person within a genjutsu-induced illusion. 

8. Yasaka Magatama is the third sacred treasure, represented by a yin-yang fish symbol.

9. In "Naruto," Uchiha Itachi and Uchiha Madara use Yasaka Magatama with their Susanoo to launch magatama projectiles, similar in power to the Tailed Beast Ball. 

10. The Uchiha Clan Fan is a weapon passed down in the Uchiha clan.

11. Only Madara Uchiha and Obito Uchiha use the fan in "Naruto." It can deflect and counter Ninjutsu attacks, as showcased when Madara redirects Naruto's Tailed Beast Ball.