You gain a +2 to attack and damage rolls made with this Artifact.
When any number of creatures is struck with this weapon, the weapon deals an extra 1d8 Necrotic damage. In addition, the attuned user can use their mind to make the wounds of any number of creatures previously struck by the weapon fester and sting with an extra 1d6 Necrotic damage as a bonus action.
Proficiency with a Longsword 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.
Sap. If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.
Notes: corrupt soul, Versatile, Sap
This is a weapon i plan on making a drop from a general of the bbeg. Thoughts?