Exposure you inflict applies an extra -25% to the affected Resistance
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, and reduce elemental resistance for element of exposure by 25%.
- No longer support herald skills, but exposure debuff; grants mana regeneration.
- No longer grants penetration for 10 seconds when you use a skill of a certain element. Now grants penetration for the element you have a specific Herald active for.
- Added 25% increased Effect of Heralds on You and 25% reduced Mana Reservation of Herald Skills.
- Element penetration increased from 20% to 25%.
- Penetration buff duration increased from 4 seconds to 10 seconds.