Fast Action: Equip this to your Durin.
When this card is played and at the start of each Action Phase, if you have at least 2 Hexerei Cards on the field: Gain one of the following effects based on your Durin's current Elemental Burst: The next 3 instances of Pyro DMG taken by the opposing side this Round are increased by 1; or, while Durin is your active character, the next instance of Vaporize or Melt Reaction DMG you deal is increased by 3.
(You must have Durin in your deck to add this card to your deck.)