Schal Verschluss Ebenfalls poe reduce reserved mana Sinn montieren Täglich
Bug Reports - Corrupted jewel mana reservation does nothing - Forum - Path of Exile
Reservation - Path of Exile Wiki
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%) :
4 minion 6 link reduced mana reserved helm : r/pathofexile
Development Manifesto - Aura Reservation and Reduced Mana Support Gem Change - Forum - Path of Exile