Ampule of Elemental Essence

This sealed vial of element essence is connected to one of the five elemental damage types: fire, cold, lightning, thunder, and acid. It may be used in one of two ways:

As a bonus action, you may break the vial and coat a weapon in the essence. For one minute, the weapon does an addition 1d6 of the damage associated with the vial. If applied to a non-magical weapon, all of the weapon's damage is converted into that damage type and the weapon becomes unusable after the effect fades.

As a reaction when casting a spell that does damage, you may break the vial and change all of the damage that spell does to the associated damage type.

Notes: Damage, Consumable