Rank 1 Increases the amount of damage absorbed by your shield by 15%, and gives your blocks a 50% chance to restore 4% of your maximum Mana. May only occur once every 3 sec.
Rank 2 Increases the amount of damage absorbed by your shield by 30%, and gives your blocks a 100% chance to restore 4% of your maximum Mana. May only occur once every 3 sec.