Splint Armor, very rare (requires attunement)
This set of splint armor is comprised set of dull strips of metal with curved hooks jutting out from the chest, back, arms, and gauntlets. The armor and hooks are perpetually stained by previously spilled blood.
While wearing this armor, you gain a +1 bonus to AC (18 total), you can understand and speak Infernal, and you gain advantage on any Intimidation checks. In addition, the armor's hooked gauntlets turn unarmed strikes with your hands into magic weapons that deal piercing damage, with a +1 bonus to attack and damage rolls and a damage die of 1d8.
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 devils and on saving throws against their spells and special abilities.
The wearer has disadvantage on Dexterity (Stealth) checks,
If the wearer has a Strength score lower than 15, their speed is reduced by 10 feet.