|"Sacrifices must be made."
-  was briefly introduced on the PBE server in the Preseason 2015 patch. Due to a mistake, it did not build into Essence Reaver.
- The base stats are efficient without the passive.
The mana restoration passive triggers as an On-hit effect. Abilities that apply on-hit, such as and will trigger the passive. It will therefore also not apply when attacking a turret.
This item comes in useful for champions who are AD based, cast spells constantly but also perform autoattacks often, abusing both the mana restore and lifesteal, for example, , (top lane) , , or .