While the blade exists, this magic longsword has the finesse property. If you are proficient with shortswords or longswords, you are proficient with the Amaurea.
You gain a +2 bonus to attack and damage rolls made with this weapon.
The sword's luminous blade emits bright light in a 15-foot radius and dim light for an additional 15 feet. The light is sunlight. While the blade persists, you can use an action to expand or reduce its radius of bright and dim light by 5 feet each, to a maximum of 30 feet each or a minimum of 10 feet each.
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: Bonus: Magic, Damage: Radiant, Weapon Property: Finesse, Damage: Slashing, Damage, Combat, Versatile, Sap