You can cast Hunters Bane on the target until it dies or until dawn seven days later.
When you make a ranged attack roll with this weapon against an enemy with Hunters Bane you have advantage on the roll. In addition, your target gains no benefit from cover, other than total cover, and you suffer no disadvantage due to long range. If the attack hits, your sworn enemy takes an extra 4d6 piercing damage.
As long as you are attuned to this weapon you have disadvantage with all other weapons and a -10 to hit with all other weapons.
Proficiency with a Longbow allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Slow. If you hit a creature with this weapon and deal damage to it, you can reduce its Speed by 10 feet until the start of your next turn. If the creature is hit more than once by weapons that have this property, the Speed reduction doesn’t exceed 10 feet.
Notes: Ammunition, Heavy, Range, Two-Handed, Slow