| Rush of Essence|
Casting any Spirit spell returns 100 Mana over 10 seconds. Effect stacks, but is not renewed.
Rush of Essence is a Witch Doctor passive skill, unlocked at level 36.
Spirit spells include:
Note that for Haunt an Spirit Barrage, due to the cost of these spells being no higher than the amount restored, this passive effectively refunds the entire Mana cost, allowing them to be cast almost without restrictions.