Invincible Shield - Judas PriestMetal icons Judas Priest's studio album entitled 'Invincible Shield'. This album includes the single 'Panic Attack'. Over the past 50 years Judas Priest have sold over 50 million albums worldwide and headlined the world's biggest stadiums. With their evolving music and live performances also came a powerful unique identity, a look which has both defined the group and influenced future generations of metal bands the world over.