The Nine-Tails brings both burden and blessing ... Naruto learns its name and forges an unbreakable bond. In due time, Naruto treated Kurama warmly and saw him as a friend and not as a tool ...

At the end of Naruto, it was already an established fact that Kurama was the strongest of the nine Tailed Beasts. His strength was absolutely immaculate, and he could take on just about every ...

By virtue of having Kurama's Yang half sealed inside him, Naruto had access to the Nine-Tails' chakra, which permitted him to undergo a series of transformations carrying the aura of the tailed beast.