When all hope is lost and humanity's fate hangs in the balance, Master Chief is ready to confront the most ruthless foe he's ever faced.When all hope is lost and humanity's fate hangs in the balance, Master Chief is ready to confront the most ruthless foe he's ever faced.When all hope is lost and humanity's fate hangs in the balance, Master Chief is ready to confront the most ruthless foe he's ever faced.