Armor of bludgeoning vulnerability
Makes you resistant to bludgeoning and vulnerable to piercing and slashing.
While wearing this armor, you have resistance to the bludgeoning damage.
Curse. This armor is cursed, a fact that is revealed only when an identify spell is cast on the armor or you attune to it. Attuning to the armor curses you until you are targeted by the remove curse spell or similar magic: removing the armor fails to end the curse. While cursed you have vulnerability to piercing and slashing damage.