Rapier of Certain Death (Explorer's Guide to Wildemount)

rare · Melee Weapon 2024

When you damage a creature with an attack using this magic weapon, the target can't regain hit points until the start of your next turn.

Finesse

When making an attack with a Finesse weapon, use your choice of your Strength or Dexterity modifier for the attack and damage rolls. You must use the same modifier for both rolls.

Mastery: 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.