Rank 1
Decreases the Mana lost per point of damage taken when your Mana Shield spell is active by 17% and increases the resistances granted by your Mage Armor spell by 25%.
Arcane Shielding
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Rank 2
Decreases the Mana lost per point of damage taken when your Mana Shield spell is active by 33% and increases the resistances granted by your Mage Armor spell by 50%.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.