World of Warcraft®

Curse of Exhaustion now reduces the targets movement speed by 70%, lasts half as long and has a 10 second cooldown.

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.

Splits your Shadow Bolt into three smaller attacks.

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