Grace of the Flagellant

All continual damage, Channeled damage, and persistent ground damage increased by 15%.

Each time you damage an individual enemy 5 times, you will do 630 additional damage to that enemy.

Each time you deal damage, you have a 4% chance to unleash a lightning strike, dealing 3780 damage to all nearby enemies and Stunning them for 1 seconds. Cannot occur more often than once every 40 seconds.