Engrave Chest - Shield Mastery
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Engrave your chest or robe with the Shield Mastery rune: Each time you Block, you regenerate mana equal to 8% of your maximum mana and you gain Armor equal to 30% of your shield's armor value, stacking up to 5 times. You also always gain 10% increased chance to Block and 15% increased Block value. In addition, each time you use a Shock ability, you gain 4 Spell Damage for each point of your defense skill beyond 300. Lasts 15 sec.
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.