Grimoire of ServiceInstant2 min cooldownInstantly summon a second demon, who fights for 20 sec. The demon will instantly use one of their special abilities when summoned:
Grimoire: Imp: Immediately cleanses a hostile magic effect from their master.
Grimoire: Voidwalker Immediately taunts their target when summoned.
Grimoire: Succubus Immediately seduces their target if it is Humanoid.
Grimoire: Felhunter Immediately interrupts their target when summoned.
Grimoire: Felguard Immediately stuns their target when summoned.