Weapon (longsword), rare (requires attunement)
This magic sword’s blade is fashioned from a spine from an amethyst dragon. When you hit with an attack roll using this sword, the target takes an extra 1d8 force damage. You also gain resistance to psychic 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: Damage: Force, Resistance: Psychic, Versatile, Sap