World of Warcraft®

While off cooldown, your Dark Soul ability passively grants you 10% of the active effect, but reduces the power of Dark Soul by 10%.

Improves your demon's special abilities:

Your Imp's Firebolt cast time is reduced by 50% and fires in bursts of three.

Increases your Voidwalker's total armor by 10%.

Your Succubus's Seduction ability also removes all damage over time effects from the target.

When your Felhunter uses Devour Magic, you will also be healed for that amount.

Increases your Felguard's total health by 20%.

Teaches you the ability Imp Swarm.
Requires Demonology.

Imp Swarm
Summons 5 Wild Imps from the Twisting Nether to attack the target.

The Wild Imps passive effect is disabled while Imp Swarm is on cooldown. Imp Swarm's cooldown is reduced by spell haste. Also increases Wild Imp's cooldown by 4 sec.

Your Health Funnel instantly restores 15% of your demon's health, but has a 10 sec. cooldown.

Your Felsteed and Dreadsteed can cross water while running and leave a trail of flames.

Your Hand of Gul'dan can now be targeted at a location.