Warlock · Demonology · tier 1 · from level 10
Unholy Power
Unholy Power
Rank 5/5
Increases all damage done by your Imp, Voidwalker, Succubus, Incubus, and Felhunter pets by 10%.
Doesn't change the damage or healing of any Warlock spell.
Averages, counting crits and misses, for a level 60 Warlock with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.