Critical SuccessYou restore 10 Hit Points to the item, plus an additional 10 Hit Points per
proficiency rank you have in
Crafting (a total of 20 HP if you're trained, 30 HP if you're an expert, 40 HP if you're a master, or 50 HP if you're legendary).
Critical FailureYou deal 2d6 damage to the item. Apply the item's
Hardness to this damage.