You gain a +3 bonus to attack and damage rolls made with this magic weapon. When you hit a fiend or an undead with it, that creature takes an extra 2d10 radiant damage.
While you hold the drawn sword, it creates an aura in a 10-foot radius around you, this aura extends to 30 feet if you have 17 or more levels in Paladin. The first time you attack with the sword on each of your turns, you can transfer some or all of the sword's bonus to the holy aura that surrounds you. You and all creatures friendly to you in the aura have a bonus to AC and saving throws equal the amount of bonus transferred to the aura. For example, you could reduce the bonus to your attack and damage rolls to +1 and gain a +2 bonus to AC and saving throws. The adjusted bonuses remain in effect until the start of your next turn, although you must hold the sword to gain a bonus to AC from it.
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: Combat, Warding, Versatile, Sap
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