When you attune to this weapon, you can use it as a +3 Longsword. When a creature at least 2 sizes bigger than you attacks you, you gain a +2 bonus to armor class, but if they still hit you, they take 1d6 radiant damage that cannot be reduced it any way. When you use this weapon on a creature at least 2 sizes bigger then you, you deal an extra 3d6 radiant damage that can not be reduced in any way. In addition, when used on a creature at least 2 sizes bigger then you and you roll a natural 19 or 20, the radiant damage increases to 8d6. .This magic weapon resizes to fit the wielder.
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: creature of Large size or smaller, Versatile, Sap
Comments