Some hotfixes have been pushed to the Dragonflight Beta which does more Unholy DK tuning and nerfs Holy Priests.
Class ToolsBloodTalentsFrostTalentsUnholyTalents
Specialization (2)
Increases the damage of your Minions and Shadow damage abilities by 13.0%14.0%.
Effect #4 Effect #1 Apply Aura: Add Modifier – % Modifies Damage/Healing Done
Value: 0% (SP mod: 1.621.8)
Affected Spells:
(and 3 more.)
Effect #2 Apply Aura: