Demon Armor
Armor,
Very Rare
(requires attunement; cost 6660 gp)
Crafting Components
Marilith sword or nalfeshnee tusks
While wearing this armor, your Armor Class increases by +1 and you can understand and speak Abyssal. You can attack with the armor’s clawed gauntlets (which deal 1d8 slashing damage) and gain a +1 bonus to attack and damage rolls when doing so.
Cursed. You cannot remove this armor until you are targeted by remove curse or similar magic. You have disadvantage on attack rolls against demons and on saving throws made against them.
Source