You can't use Peace Shield for 24 hours when you have Plundered Equipment.
But when Plundered Lord gives up his/her Equipment or spends Gold to recover it,
you can use Peace Shield again.
■ How to give up Plundered Equipment
- [Chest icon above Dominion] > [Equipment Plundered] > [Give Up]
※ When you give up your Equipment, the Lord who Plundered you will get the Equipment.