Regenerate 1% of Mana per second if you've inflicted Exposure Recently 
Mastermind of Discord is a notable Ascendancy passive skill for the Elementalist that grants mana regeneration if your player character applies an exposure debuff to the enemies recently. In addition, exposure applied by the player character, has an extra -25% resistance effect.
For example, Wave of ConvictionWave of ConvictionFire, Lightning, Spell, AoE, Duration, Physical
Mana Cost: (9-23)
Cast Time: 0.70 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 220%Requires Level 16An expanding wave of energy surges forward, damaging enemies in a cone-shaped area over a duration. Each enemy hit is inflicted with Exposure matching the element of which they took the highest damage. Only one Wave of Conviction can be active at a timePer 1% Quality:1Superior2Anomalous3Divergent4Phantasmal1% increased Elemental Damage1% increased Area of Effect1% increased Skill Effect Duration1% of Physical Damage Converted to Cold DamageBase duration is 0.5 seconds
Deals (32-972) to (48-1459) Physical Damage
25% of Physical Damage Converted to Fire Damage
25% of Physical Damage Converted to Lightning Damage
Base secondary duration is 4 seconds
Exposure applies -15% to Elemental Resistance matching highest Damage taken
(0-38)% increased Skill Effect DurationPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.
applies an exposure that -25% resistance to elements. The Mastermind of Discord add an additive -25% effect on it. The resistance reduction by the exposure is -50% resistance of an element.
The Deadeye, the Elementalist and the Inquisitor have been reworked. Following is each notable passive, what it now grants, and its prerequisite (if it has one) for each of these Ascendancies.