Demon Soul (warlock ability)

Demon Soul is a new warlock ability that comes with Cataclysm, learned at level 85 for. It was first announced in the Cataclysm warlock preview.

Demon Soul fuses the warlock's soul with his or her demon. This provides warlocks with a self-burst cooldown to use. The specific effects granted by Demon Soul depend on the demon chosen. Demon Soul lasts for a certain number of charges or until it expires (around 20 seconds), depending on the demon used. 2-minute cooldown.