Oswald, known as the Shadow Knight, is a pivotal character in the action role-playing game 'Odin Sphere'. As a powerful warrior, he is initially employed by the villainous Queen Odette. Oswald wields a cursed sword that grants him immense power but at the cost of his own life force. Throughout the game, his character evolves as he struggles with the burden of his sword's curse and his growing affections for Gwendolyn, another protagonist. His journey is one of redemption, love, and finding his own path beyond being a mere weapon for others.