Quenching Creates an item: Iron Ingot, or use an Iron Ingot to increase durability of Grand Blacksmith's equipments by 1. Can be used twice.
Smelting Reforges Iron Hammer into Iron Armor or vice versa. +2 health to Grand Blacksmith.
Mending 66% chance to increase Grand Blacksmith's equipment durability by 1 at the end of turn.
Guardian Activate: +1 normal attack damage to Guardian. +1 range for all your units. If Iron Armor is equiped, 33% chance to reduce all the damage taken by 1 (once per turn)