Sword of Life Stealing

Source: Dungeon Master's Guide (2024)

Weapon, Rare, requires attunement

Weapon, Rare (requires attunement)

Weapon (Glaive, Greatsword, Longsword, Rapier, Scimitar, or Shortsword), Rare (Requires Attunement) When you attack a creature with this magic weapon and roll a 20 on the d20 for the attack roll, that target takes an extra 15 Necrotic damage if it isn’t a Construct or an Undead, and you gain Temporary Hit Points equal to the amount of Necrotic damage taken.