Bloodstained Moon-ring

While attuned to this ring, if you do not have the bardic inspiration feature, you gain 1 d6 inspiration die that recharges on a long rest.
You may expend a use of bardic inspiration to
give an enemy cursed inspiration. Choose an
ability, the cursed creature has disadvantage on
checks and saves of the chosen ability. At any time
when you witness the cursed creature make a d20
test, you may end the curse and subtract your
bardic inspiration die from the result of the roll.