very rare
Sword of Sharpness
Weapon (Glaive, Greatsword, Longsword, or Scimitar), very rare (requires attunement)
When you attack an object with this magic weapon and hit, maximize your weapon damage dice against the target. When you attack a creature with this weapon and roll a 20 on the d20 for the attack roll, that target takes an extra 14 Slashing damage and gains 1 Exhaustion level.
Sword of Sharpness is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.