The rivalry was largely geographical, and was not based much on sectarian differences over interpretations of practice or doctrine; nevertheless, the friction between the followers of the two zasu finally broke out into a violent conflict. Rivalres between the followers of different zasu were not anything new at that time. During his twelve years on Hiei, Enchin himself saw a conflict between direct disciples of Saichō (namely Enchō and Kōshō) and the disciples of his own master, the second Tendai zasu Gishin. After the death of Gishin, his main follower, Enshu, was elected as the third zasu, but Enchō and Kōshō objected and finally forced Enshu and his followers to leave Mount Hiei.