The Mana Reservation Efficiency mastery has been replaced as there is now a much larger amount of Mana Reservation Efficiency for Curse Auras on the passive tree." (The mastery was 30%) :
Bug Reports - Crimson Jewel Conqueror's Efficiency Reducing Max Mana - Forum - Path of Exile
Reservation - Path of Exile Wiki
Official trade site missing reduced mana reserved mod on search bar : r/pathofexile
How reduced mana reserved work ? : r/pathofexile
How To Reserve Mana for ALL the Auras - 273 - YouTube
Gameplay Help and Discussion - Mana Res Efficiency of Stance Skills from Attack Mastery provided no reduction. (Blood Magic) - Forum - Path of Exile
PoEの話: Synthesis Leagueで追加されるUnique Item
4 minion 6 link reduced mana reserved helm : r/pathofexile
Amulet with 6% reduced Mana reserved is a thing now : r/pathofexile
Awesome I got mana reservation...Oh : r/pathofexile
Path of Exile | Daum 게임
![Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile](http://i.imgur.com/4GlSPeI.jpg "Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile")
Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile
Bug Reports - Corrupted jewel mana reservation does nothing - Forum - Path of Exile
Path of Exile Skill Gem Reduced Mana - YouTube
Gameplay Help and Discussion - Amulet with Pride has #% reduced mana reservation - Forum - Path of Exile
![Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile](http://i.imgur.com/zrSnVbk.jpg "Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile")
Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile
Bug Reports - Conqueror's Efficiency Not Reducing Reserved Mana - Foro - Path of Exile
Development Manifesto - Aura Reservation and Reduced Mana Support Gem Change - Forum - Path of Exile
Reservation - Path of Exile Wiki
Scion - 3.8 / 1200 dex / 17 aura + aspect of spider + empower ( DROP ) - Forum - Path of Exile
![Gamble video] Vaaling 100 Cobalt Jewels (Max ES) for Reduced Mana Reserved Implicit on POE ! #2 - YouTube](https://i.ytimg.com/vi/mLb1sNUjvE4/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAr9CwzuxqFct20BGyEE8RoAYf3Pg "Gamble video] Vaaling 100 Cobalt Jewels (Max ES) for Reduced Mana Reserved Implicit on POE ! #2 - YouTube")
Gamble video] Vaaling 100 Cobalt Jewels (Max ES) for Reduced Mana Reserved Implicit on POE ! #2 - YouTube
Reservation - Path of Exile Wiki
