Engrave Helm - Shield Mastery
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Engrave your helm with the Shield Mastery rune: Increases all physical damage you deal by 10% while you have a shield equipped, and reduces the duration of all Disarm effects used against you by 50%. This does not stack with other Disarm duration reducing effects.
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.