Mace of the Vampire King (5e Equipment)

Weapon (mace), legendary (requires attunement)

This large mace has the fang bearing visage of a vampire on the handle. Attacks with magical mace deal 1d10 bludgeoning damage and have a +2 bonus to attack and damage rolls. When you hit a living creature with this mace, it deals an additional 2d6 necrotic damage. This extra damage has no effect on undead or constructs, and you have disadvantage on attack rolls against fiends with this weapon.