im thinking the 4p should give the chance for the imp as well not just the 2 piece agree or disagree
* 2-Piece Bonus: Your periodic damage has a chance to summon a Fiery Imp to assist you in battle for 15 seconds.
* 4-Piece Bonus: Your Shadow Bolt, Incinerate, Soul Fire, and Drain Soul spells have a 5% chance to increase all Shadow and Fire damage you deal by 20% for 8 seconds.