Weapon (longsword), very rare (requires attunement)
Once per long rest, as a reaction the sword can be used a conduit for the spell Absorb Elements. The spell is cast at 3rd level.
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