The Uchiha were the Hidden Leaf village's most powerful clan, producing shinobi that were exceptionally talented and battle-oriented, and in possession of the renowned Sharingan.
The First Hokage's necklace was the necklace worn by Naruto Uzumaki. It was made from a special "Crystal Gem" and was once worn by the First Hokage. If it was to be sold, three mountains containing gold mines could be bought with the profits.
