Amenomusuha

Amenomusuha (天産刃 (アメノムスハ), Amenomusuha; Japanese for "Heavenly Progressing Blade") was the sword wielded by the, born of his own body and spirit that were forged into the shape of a blade. It was the weapon used to slay the first that was responsible for the stagnation of all creation. In many ways, it could be said that Amenomusuha is the first, for it was a living sword born from the soul of the Soul King himself and given the form of a sword similar to the idea of the that would later be utilized by the. After the Soul King was sealed and the three worlds were created, the Amenomusuha was entrusted to the, making it only possible for them and their descendants to ever hold the sword; something which infuriated the other ancestors of the , adding to the dissension that developed between the Shiba and the other noble families. They feared that with such a blade in tow, it would be possible for a Shiba clansmen to betray them and free the Soul King from his prison, and so to assuage their fears, the Amenomusuha was sealed away and could only be awakened by the reiatsu of descendants from each of the five noble houses. However, the sword was eventually lost, and with the fall of the Shiba clan from the great noble houses, it is unlikely the Amenomusuha will ever be recovered.