The Protecty Sparkswall is an uncommon Clothing item that buffs the wearer's defences while they have Lightning Charges.
Yrre the Sparkstruck was raised in the Underdark, and so they weren't surprised that power begets envy, and envy begets violence. They were prepared.
Properties
Clothing 
Rarity: Uncommon
Weight: 1.8 kg / 3.6 lb
Price: 300 gp
Special
The wearer of this item gains:
- Sparkswall Armour: The wearer has +1 to
Armour Class and 
Saving throws as long as they have Lightning Charges.
Where to find
Looted from a Gilded Chest at the end of the trapped bridge in Grymforge (X:-645, Y:360).