So in the new season everyone can do %MaxHp True Damage
To the Rift Herald.
"The Eye will occasionally open, exposing RH to bonus damage on attacks from behind equal to 12% of RH's Max HP as True Damage."
To the Rift Herald.
"The Eye will occasionally open, exposing RH to bonus damage on attacks from behind equal to 12% of RH's Max HP as True Damage."