Item Type: Weapon

Item Subtype: Glaive, Greatsword, Longsword, Rapier, Scimitar, or Shortsword

Item Rarity: Rare

Requires Attunement: Yes

D&D Beyond: Sword of Life Stealing

Source: Dungeon Master’s Guide

Consumable: No

When you attack a creature with this magic weapon and roll a 20 on the d20 for the attack roll, the target takes an extra 15 Necrotic damage if it isn’t a Construct or Undead, and you gain Temporary Hit Points equal to the Necrotic damage taken.