The blade is made out of a jet black alloy.
You gain a+1 bonus to attack and damage rolls with this magic weapon.
When you roll a 20 on your attack, the target takes an additional 1d8 necrotic damage. Additionally this weapon can be used to cast darkness once per long rest.
Proficiency with a Rapier 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.
Vex. If you hit a creature with this weapon and deal damage to the creature, you have Advantage on your next attack roll against that creature before the end of your next turn.
Notes: Damage: Piercing, Damage: Necrotic, Finesse, Vex
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