Invocation of Nehek

Friendly undead unit or character within 18"
regains 1D6 wounds worth of models.
Vampire, Ethereal, and non-infantry units
regain only one wound. Zombies regain
1D6+4 Wounds.
See p38 of the Vampire Counts army book for
full rules.
The caster directs the Dark Magic to repair his vasals, breathing Unlife into long-dead cadavers.