Hanbei the Undying is a training character in Sekiro: Shadows Die Twice, found at the Dilapidated Temple. He serves as an immortal sparring partner who helps the player practice combat, deflection, and posture mechanics without permanent consequences. He is calm, stoic, and endlessly patient, making him a useful tutorial-like figure throughout the game. His role is primarily instructional, giving players a safe place to learn and refine the core swordplay systems before facing stronger enemies.