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

Imp - Reduces threat caused by $23826s1%.

Voidwalker - Reduces physical damage taken by $23841s1%.

Succubus - Increases all damage caused by $23833s1%.

Felhunter - Increases all resistances by .4 per level.

Felguard - Increases all damage caused by $35703s1% and all resistances by .2 per level.