Curse of Tongues

Curse of Tongues, or CoT for short, is a warlock Affliction ability which increases the enemy's casting time.

Curse of tongues allows the caster to steal the target's voice with a curse, replacing it with the voice of a terrible demon. The subject's new voice only speaks in the Eredar tongue, regardless of any other spells or effects on the target. This spell prevents the target from using any spell with verbal components.

Talent improvement
Suppression reduces the chance for the curse to be resisted; Grim Reach increases the range; and Contagion reduces the chance it will be dispelled.

Tips and tactics
CoT is used primarily against casters to limit their spellcasting ability.