Мститель
Auto-translated
Once, I played as a Necromancer, took the Summoning skill, and when I summoned a Phoenix and Elementals, they skipped their turns due to low morale! (Taking leadership for a Necromancer is debatable; Phoenixes and Elementals don't belong to the undead army, and the opponent might easily have an artifact that specifically boosts morale against Necromancers and summons).
And another observation: the Necromancer's super ability probably won't significantly harm the Dark Elves if you take new Minotaurs and place Furies, Assassins, Witches, and Hydras nearby (tactical skill is welcome).