RAZERUser
of reading
1204
Read books
I think the first Hokage can use wood style, because his water and earth are equally strong. By second Hokage is not so, his water element is much higher than his earth element. Also, Hashirama is the reincarnation of Ashura Ootsutsuki and since the Ootsutsuki can also use Wood Style, it is in his chakra.
I think he needs good weaponry to strengthen the army of the main character. So the character Celebrimbor from Lord of the rings would be a good idea. He is the creator of the three greatest Elven Rings of Power: Vilya, Narya, and Nenya. With him the 300 would be even stronger, he could even use Elven magic to make Valyrian steel. It is an idea for a higher loose.