Rank 1: Grants the Warlock's summoned demon Empowerment.

Imp - Increases the Imp's spell critical strike chance by 20% for 30 sec.

Voidwalker - Increases the Voidwalker's health by 20%, and its threat generated from spells and attacks by 20% for 20 sec.

Succubus - Instantly vanishes, causing the Succubus to go into an improved Invisibility state. The vanish effect removes all stuns, snares and movement impairing effects from the Succubus.

Felhunter - Dispels all magical effects from the Felhunter.

Felguard - Increases the Felguard's attack speed by 20% and breaks all stun, snare and movement impairing effects and makes your Felguard immune to them for 15 sec.