25% increased Lightning Damage
Damage Penetrates 6% Lightning Resistance 
Heart of Thunder is a notable passive skill that grants increased lightning damage and additional penetration against lightning resistance.
- Lightning Resistance Penetration increased from 2% to 3%.
- Lightning Weaver renamed to Heart of Thunder.
- Heart of Thunder also grants lightning resistance penetration, but no longer grants cast speed.
- The area surrounding the Witch, Shadow and Ranger has been redesigned. Many values have been adjusted.