Relentless Bulwark

Alter: This hefty metal shield is virtually impenetrable. The shield has 6 charges and regains 1d4+2 charges daily at dawn. While holding the shield, you can use an action to expend 1 charge to cast shield of faith from it. Whenever you would fail a Constitution saving throw to maintain concentration on this spell, you can use your reaction to expend another charge from the shield to succeed on the saving throw instead. You can only use your reaction in this way if you're holding the shield.

Attunement: Cleric/ Paladin
Rarity: Uncommon
Type: Shield
Cost: 170gp

Griffons Saddlebag, Vol 1