this weapon counts as a spell casting focus.
You have a +1 bonus to attack and damage rolls made with this magic weapon.
when you reduce a creature to 0hp this weapon gains a charge, when you cast a spell or when an attack causes a spell you dave cast to trigger you can spend 1 or more charges to increase a damage roll by 1 per charge spent.
you can spend 3 charges to cast Spiritual weapon
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, Combat, Versatile, Sap