Grants both the Warlock and the summoned demon an effect as long as that demon is active.

Imp - Reduces threat caused by $23829s1%.

Voidwalker - Reduces physical damage taken by $23844s1%.

Succubus - Increases all damage caused by $23836s1%.

Felhunter - Increases all resistances by 1 per level.

Felguard - Increases all damage caused by $35706s1% and all resistances by .5 per level.