Full: For 5 seconds, whenever a party member who is not under the effects of another Necromancer enchantment hits a foe with physical damage, that party member steals up to 3...13...16 Health.
Concise: Enchants all party members (5 seconds.) These party members steal 3...13...16 Health with each physical damage attack. Party members under another Necromancer enchantment are not affected.