While wearing this armor, you gain a +1 bonus to AC, and you can understand and speak Abyssal. In addition, the armor’s clawed gauntlets turn unarmed strikes with your hands into magic weapons that deal slashing damage, with a +1 bonus to attack rolls and damage rolls and a damage die of 1d8.

Demonskin. You gain resistance to fire damage.

Curse. Once you don this cursed armor, you can’t doff it unless you are targeted by the remove curse spell or similar magic. While wearing the armor, you have disadvantage on attack rolls against demons and on saving throws against their spells and special abilities.

Disintigrate. If Remove Curse is used to remove this armor, the armor immediatly disintigrates, and cannot be recovered except by a Wish spell.

Numbness. While wearing this armor, you feel no physical sensation at all, including pain. Minor daily tasks become difficult, as you may accidentally use too much strength to grip fragile objects, accidentally crush other's hands during handshakes, or accidentally kill small animals by crushing them when you try to pet them. 

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, Language: Abyssal, Resistance: Fire, by someone proficient in heavy armor, Damage, Combat, Warding, Cursed, Str. 15 Required, Stealth Disadvantage