Kingblade of the Uchiha

AU. The Witchblade is said to be most powerful artifact in the world and can only be worn by women, but there is another powerful item that can be only worn by men known as the Kingblade that has the power of a conquer, to stand above all others with the Witchblade by its side. The current Kingblade wielder, Sasuke Uchiha will met the Witchblade and change the fate of many. Harem.