Genma Onimusha (2002)
In Genma Onimusha, the player takes control of Samanosuke, a lone swordsman who has pledged to protect the noble Princess Yuki. When he arrives at her hillside castle surrounded by war and chaos, she has mysteriously vanished. He must then face off against an army of demon warriors in order to uphold his promise and avenge the princess. Along the way he will be aided by some powerful allies as well as mysterious magical artifacts which can give him an edge in battle.