Weapon (longsword), rare
An enchanted blade forged by an inventor said to traverse worlds through portals of ancient design. Make a melee weapon attack. On a hot, the weapon deals 1d8 Slashing damage, and requires the target to make a DC 13 Constitution Saving Throw. On a failure, the weapon deals an extra 3d6 Necrotic damage.
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: Versatile, Sap