*The casterwears[[armor]]thatuses the Survivor's [[Insignia]].
*The the [].
*The casterusesitemsthatincreasehealth<!--andyourfoebetteruseitems that increase Armor (or increase health) [technically, their armor makes GB more effective since other things will be less effective, but I think that might be confusing -Fyren] -->.
*The their .
*The caster uses skills such as [[Demonic Flesh]] or [[Endure Pain]] (W/N) to raise their maximum health temporarily, which corresponds to a temporary increase in gainable health.
*The target is high level. This is simply because a character's maximum health increases with their level.
*This skill is very useful in PvP matches where the necromancer is being specifically targeted by an opposing warrior. When the necromancer's health is nearing zero, Grenth's Balance's can be used repeatedly on the attacking warrior or other nearby enemies. However, this can be a very risky tactic.
*The caster has no death penalty (or, even better, maximum morale boost)
Full: If target foe has more Health than you, you gain half the difference (up to your maximum Health), and that foe loses an equal amount. If this foe has less Health than you, you lose half the difference, and that foe gains an equal amount.
Concise: You gain Health equal to half the difference between you and target, and this foe loses an equal amount. If this foe has less Health than you, you lose half the difference and that foe gains an equal amount.