Spirit of Vengeance Spirits of Vengeance are creatures that form when an Avatar of Vengeance slays a humanoid . Avatars of Vengeance can also summon Spirits of Vengeance from corpses . In some ways , Spirits of Vengeance are like lesser versions of Avatars of Vengeance — they are composed utterly of revenge . Unlike avatars , a Spirit of Vengeance contains bits of humanoid soul mingled with the vengeance energy . The Avatar of Vengeance that created the spirit has full control over it . Spirits of Vengeance do not speak , but they do utter animalistic growls . Spirits of Vengeance possess little of the cunning of the avatar that created them . When uncontrolled , they move toward living creatures and hack them apart . Some spirits target specific creatures particularly deserving of vengeful judgment , ignoring innocents . A Spirit of Vengeance ' s weapon is a shadowy extension of itself . Their weapons can take many forms ; most resemble either the weapon of the avatar that created them or the weapons of the living creatures from which they were summoned . In " " , Spirits of Vengeance are created by the Avatar of Vengeance when it casts " Spirit of Vengeance " . Spirits of Vengeance are invulnerable and will disappear after 50 seconds or when the Avatar of Vengeance is destroyed . Greater spirit of vengeance . A greater spirit of vengeance is the embodiment of revenge . The creature has a vaguely humanoid form composed mostly of black wispy smoke . Its eyes glow bright red . In one hand , it carries a spectral whip that glows red with the same energy that burns in its eyes . When a powerful creature takes to the grave with intense feelings of hatred and business unfinished , she will occasionally rise again as a greater spirit of vengeance . A greater spirit of vengeance seeks to slay all living creatures in an effort somehow to bring peace to itself . It bears no feelings of guilt or remorse or pity . It takes its task seriously , treating all beings with equal disregard and sparing none that get in its way . A greater spirit of vengeance attacks with a long barbed incorporeal whip that drains the life from its victims . It makes full use of its incorporeal nature , moving through walls , ceilings , and floors as it attacks . It takes every opportunity to use its create spawn ability . " This may be a full avatar of vengeance . " Lesser spirit of vengeance . A lesser spirit of vengeance is the embodiment of the minor feelings of regret and unfinished tasks that so often plague humanoid creatures upon death . The creature appears to be a translucent female night elf dressed in plain clothes and wielding a glowing red shortbow . It does not have the single - minded sense of purpose of a greater spirit of vengeance , however . Unless controlled by a greater spirit of vengeance , a lesser spirit of vengeance wanders aimlessly . It is as likely to attack a creature as it is to pass it by without looking back . A lesser spirit of vengeance will , of course , defend itself when attacked . A lesser spirit of vengeance attacks using a spectral shortbow that fires chilling incorporeal arrows . The arrows are formed from its own essence , and it can make an endless number of such ranged attacks . The arrows dissipate on impact whether they hit or not . A lesser spirit of vengeance does not engage in melee . It attempts to flee when threatened to find a better position from which to fire . It makes full use of its incorporeal nature , moving through walls , ceilings , and floors as it attacks .