Bane Weapon – Artificer Infusion

Bane Weapon

Prerequisite: 6th-level artificer

Item: A simple or martial melee weapon (requires attunement)

This magic weapon grants a +1 bonus to attack and damage rolls made with it.

When you infuse this item, choose one of the following creature types: aberration, beast, celestial, dragon, fiend, giant, or undead. The weapon has 4 charges. When the wielder hits a creature of this type with the weapon, they can expend 1 charge and inflict an additional 2d6 damage of the weapon’s type with the attack. The weapon regains 1d4 charges daily at dawn.

Source: Exploring Eberron, pg. 215