Conqueror's Efficiency
Conqueror's Efficiency is a great Path of Exile unique jewel, which can be delivered instantly in all leagues. We keep Conqueror's Efficiency poe item in stock.
Conqueror's Efficiency
Crimson Jewel
Jewel
Limited To: 1
3% reduced Mana Cost of Skills
4% increased Skill Effect Duration
4% increased Mana Reservation Efficiency of Skills
4% increased Skill Effect Duration
4% increased Mana Reservation Efficiency of Skills
The stone may yet bleed.
Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
![](https://cdn.poedb.tw/image/Art/2DItems/Jewels/HighQuestRewardRed.webp)
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ONLY for PC