Armor of the Anti-Mage (5e Equipment)

Armor (any), rare (requires attunement)

This armor is the best in all of Grelûn, made to combat mages coming from the Off-Horizon.
You have a +1 bonus to AC while wearing this magic armor. Additionally, when you are targeted by a spell of 5th level or lover, you can use your reaction to interrupt casting, the spell fails and has no effect. You can use this property twice, and regain ability to do so at dawn.