A lot of people wonder *Why does he has that 6 tamoe necklace and those horn-like-spiked hairs? Like the sage of six paths?*Welp, here it is. What "IF' the sage gave kurama most (If not all his remaining chakara) of his chakara before dying? Kurama is stronger than all of the other bijuu and still with only half chakara. It may be the reason for naruto's sage-like transformation.