Originally Posted by
Blizz
Power Word: Solace has been replace with a new talent: Solace & Insanity.
• For Holy and Discipline, Power Word: Solace replaces Holy Fire. It deals the same damage, and interacts with other spells and abilities in the same manner, but is instant, costs no mana, and restores 1% of maximum mana on each cast.
• For Shadow, this ability causes Mind Flay to gain the Insanity effect when it's cast on a target with 3 Shadow damage-over-time spells on them. Insanity causes Mind Flay to deal double damage for the duration.