Oathbow
Your ranged weapon attacks using this bow have advantage against your sworn enemy, and your sworn enemy cannot gain benefit from cover other than _total cover_ . You do not have _disadvantage_ on ranged weapon attacks with the bow that are at long range as long as your sworn enemy is your target, and on a hit your sworn enemy takes an extra 3d6 piercing damage.
You have _disadvantage_ on attacks made with weapons other than this bow while your sworn enemy lives.