POE 3.19] How to Fit More Auras and Fix Your Mana Cost! Mana Reservation & Cost Guide - YouTube
Development Manifesto - Aura Reservation and Reduced Mana Support Gem Change - Forum - Path of Exile
Just a heads up if you're reserving your life with the new "Blood Magic" : r/pathofexile
New & Updated Gems in Ancestor League - POE Maxroll.gg
Arrogance Support Skill Gem PoE Build 3.23
Gameplay Help and Discussion - Mana Reservation Rounding Question [pics] - Forum - Path of Exile
Reservation - Path of Exile Wiki
New gem of skills in Path of Exile 3.12: Pinpoint
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%) :
Blood Magic Support PoE Gem
3.15] Spellslinger VD (Volatile Dead) & Detonate Dead Necromancer Gear, Jewels, and Flasks (PoE Expedition) - PoE Vault
Enhance Support PoE Leveling Fast, Drop, Farming, Increased Experience Gain 3.22
New & Updated Gems in Ancestor League - POE Maxroll.gg
How do I proceed with getting 30% mana reservation efficiency on this shield? No idea where to go from here. : r/pathofexile