The following description applies to MOD 16 - Undermountain.
You will receive an EPIC item. At maximum quality (Mythic) the stats are:
Use: Activating this artifact will summon a Mythic tool usable in all crafting Professions. It will also give you the Insight of Gond, halving the damage you take from all attacks for 5 seconds.
Discard the currently summoned Forgehammer to summon a new one.