Avalon, +1

You have a +1 bonus to AC while wearing this armor.

While wearing this Armor, as a bonus action.  you can switch between  Armor stance and Battle stance.

Armor stance: You become sturdier bolstering your defense,  Your AC is 19 and you have Magic Resistance,  you have advantage on saving throws against spells(only Spells) and spell attacks have disadvantage against you.

Battle Stance: You release some of your armor, becoming lighter. Your AC becomes 17 and you can make a bonus action (You don’t add your ability modifier to the damage of the bonus attack), and you heal 10 HP at the end of Your turn.

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, Combat, Warding, Str. 15 Required, Stealth Disadvantage