 A Tendai Buddhist monk and political adviser for the Shogunate.Tenkai was the one who suggested to Ieyasu that since the Tokugawas are a military family, the succession dispute should be settled though some sort of organized duel between ninja instead of valued samurai.As the duel between the Kouga and Iga rages on, Ieyasu sends him into the inner castle to keep the peace between Ofuku and Oeyu.