Legendary Plate Armor. Allows the wearer to cast an additional cantrip as a bonus action as long as the same cantrip was cast as a full action.
In addition the wearer gains an extra Pact Spell charge.

Plate consists of shaped, interlocking metal plates to cover the entire body. A suit of plate includes gauntlets, heavy leather boots, a visored helmet, and thick layers of padding underneath the armor. Buckles and straps distribute the weight over the body.

Notes: Bonus: Armor Class, Bonus: Spell Attacks, Attune by one who has made a Pact with Zariel, Str. 15 Required, Stealth Disadvantage