After attacking with Nazgharoth each close combat phase (before Stomps), you may pick one of the following effects. You may not choose the same effect in two consecutive rounds of combat.
Fires of Wrath: Nazgharoth uses a Breath Weapon Attack with S 4 and Flaming Attacks.
Furious Ruin: Nazgharoth rolls 2D6 with its Stomp Attack this phase.
Enraged Roar: All models in base contact with Nazgharoth must pass a T test or suffer 1 Wound with no saves allowed.