WoW: Forever · Common item
Grimoire of Curse of Mannoroth is a common book in WoW: Forever with item level 4. It offers requires level 4. Physical damage caused by the target is reduced by 4 for 2 min. Only one Curse per Warlock can be active on any one target. Vendors buy it for 20c. "Teaches Curse of Weakness (Rank 1)."