Angelic Wrath. All attacks made with this weapon are made at advantage, and two attacks can be made as a bonus action.
Angelic Mercy. You can cast Healing Word as a reaction, at 1st level, if you see an Ally fall unconscious within 60ft. Even if you don't have access to the spell.
After level 15:
Attunement Growth. While attuned to this weapon you add your character level to your hit and damage totals for this weapon.
Death Strike. Rolling a 20 on a melee attack results in activating the effect of the spell Power Word Kill targeting any creature within 60ft.
Broken Divinity. Targets damaged by this weapon can't regain hit points until the start of your next turn.
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: Advantage: Melee Attacks, Damage: Melee Weapon Attacks, Bonus: Melee Attacks, Lawful Alignment , Healing, Damage, Combat, Versatile, Sap