The Lightning Bolt is a power-up available only in Call of the Dead. It is normally obtained by completing the Ensemble Cast Easter Egg , but after you complete the achievement, you can also obtain the the Wunderwaffe DG-2 by killing George A. Romero. The power-up looks like the normal Death Machine but will grant the player aWunderwaffe DG-2. The Wunderwaffe DG-2 will last until the player runs out of ammo, and cannot be Pack-a-Punched. Max Ammo will replenish its ammo. Picking up a Death Machine power-up will cause the Wunderwaffe DG-2 to disappear and be replaced by the Death Machine. Being downed will also get rid of the Wunderwaffe DG-2. While holding the Wunderwaffe DG-2, the player is unable to purchase wall items, throw grenades or revive teammates. In Prison of Hell the Wunderwaffe DG-2 is permanent and can be Pack a Punched.