Removes all movement impairing effects and all effects which cause loss of control of your character while in PvP combat.

While not in Voidform, reaching 90 Insanity reduces damage taken by 5%, and increases damage dealt by 10% for 15 sec.

While Voidform is not active, being attacked will grant you 9 Insanity over 3 sec.

Fully-channeled Mind Flays cause you to steal 3% haste from the target for 20 sec. Only 12% haste can be stolen from a single target. Stacks up to 8 times.

Duration of incoming crowd control effects reduced by 20%. Does not stack with similar effects.

Atonement's duration is increased by 15 sec, and healing transfer increased by 20, but can only be applied through Power Word: Shield. Smite, Penance, and Shadowfiend critical strike chance increased by 25% when you have Atonement on 3 or more allies.

Reduces the cooldown of Power Word: Barrier by 90 sec. Power Word: Barrier reduces damage taken by an additional 25%.

Increases your damage, and the damage of all allies with your Atonement by 15% for 8 sec.