Armor of Invulnerability
Heavy armor (plate), legendary (requires attunement)

You have resistance to nonmagical damage while you wear this armor. Additionally, you can use an action to make yourself immune to nonmagical damage for 10 minutes or until you are no longer wearing the armor. Once this special action is used, it can't be used again until the next dawn.

Plate. 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.

Stealth. The wearer has disadvantage on Dexterity (Stealth) checks. 

AC: 18 
Stealth: Disadvantage
Weight: 65