Guess who found out that Redeemer Mana reserved has multiple rolls unlike shaper... : r/pathofexile
Reserved Mana calculation for Determination not correct · Issue #5902 · PathOfBuildingCommunity/PathOfBuilding · GitHub
Mana - Path of Exile Wiki
Bug Reports - Conqueror's Efficiency Not Reducing Reserved Mana - Foro - Path of Exile
Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile
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 - Determination Mana Reservation Mastery and Blood Magic - Forum - Path of Exile
Gameplay Help and Discussion - Impresence Flammability 100% Reduced Mana Reservation is BUGGED. - Forum - Path of Exile
Path of Exile 3.13] How To Craft My Shield - 15% Reduced Mana Reservation & 10% Aura Effect - 713 - YouTube
How do I proceed with getting 30% mana reservation efficiency on this shield? No idea where to go from here. : r/pathofexile
PoE 3.21] Fixing Mana Reservation on ANY Build - YouTube
Bug Reports - Hyrri's Truth Precision mana reservation efficiency has no effect on Precision - Forum - Path of Exile