Kenshin

Kenshin was an aide of Miya himself and a priest of a religion which predated the Fall of the Kami. He hated the Kami and their Empire, so he made the cursed Kenshin's Helm, a nemuranai with the power to bring doom on the undertakings of anyone who used it. Kenshin died shortly after its creation and his lord Miya never wore the helm, instead placing it in a position of honor in his house. The Helm provoked pain and afliction to the Miya family and other Rokugani clans for centuries.