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Baldur’s Gate 3: All Adamantine Items You Can Craft At The Grymforge

The Adamantine Forge can craft six different items, but the two Mithral Ore pieces in a normal playthrough let you make only two. Compare all six outputs and follow the forge sequence without wasting an ore or interrupting your second craft.
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The Grymforge’s Adamantine Forge can make six items: a longsword, mace, scimitar, shield, scale mail, or splint armour. A normal playthrough provides two Mithral Ore pieces, so you can craft any two outputs; the mould you insert determines the item, and you can reuse a mould to make a duplicate.

Choose based on the intended wearer’s equipment slot and armour proficiency rather than a universal ranking. To craft, place ore and a mould in their chambers, lower the platform, open the lava valve, strike with the hammer, and collect the item.

All six Adamantine Forge items

Item Choose it if…
Adamantine Longsword A longsword suits the intended character’s weapon use.
Adamantine Mace A mace is a better fit for the intended wielder.
Adamantine Scimitar A scimitar is the weapon your character wants to use.
Adamantine Shield Your intended wielder uses a shield and would benefit from that equipment slot.
Adamantine Scale Mail The wearer uses and qualifies for medium armour.
Adamantine Splint Armour The wearer uses and qualifies for heavy armour.

The dossier confirms the available outputs and ore limit, but does not establish one best item for every party. Make your choice around your characters, their proficiency, and which equipment slot you want to fill.

How many items can you craft?

There are six mould-defined outputs, but an ordinary playthrough has two Mithral Ore pieces. Each completed craft consumes one piece, allowing two items total. The limit comes from the ore, not from the number of moulds; you can make two different items or reuse a mould to craft the same output twice.

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Finding the Mithral Ore and moulds

Two Mithral Ore veins are found in the Abandoned Refuge, across lava from the Adamantine Forge area. The moulds are scattered through Grymforge: the longsword mould is on metal scaffolding; the mace mould is on a table south of the Ancient Forge Waypoint; the scale mail mould is on the ground southwest of that waypoint; the scimitar mould is on a skeleton near levers; the shield mould is on a skeleton behind a locked door at the top of stairs; and the splint mould is east of the waypoint near a skeleton.

These route descriptions and coordinates are map guidance. Check them against the current game version if you need exact navigation.

How to use the Adamantine Forge

  1. Put one Mithral Ore piece in the central crucible.
  2. Put the desired mould in the mould chamber.
  3. Use the forge lever to lower the platform.
  4. Open the lava valve. The first use triggers the Grym encounter.
  5. Use the forge lever to strike with the hammer.
  6. Collect the finished item. To craft a second item, eject the mould, insert another mould or reuse the first one, and repeat with your second ore.

Do not raise the platform before completing your second craft. The location reference warns that raising it makes the forge nonfunctional until it is lowered again.

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FAQ

What can you craft at the Adamantine Forge?

The six outputs are the Adamantine Longsword, Mace, Scimitar, Shield, Scale Mail, and Splint Armour.

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Can you craft more than two Adamantine items?

Not in an ordinary playthrough with the two available Mithral Ore pieces. Each item consumes one piece, so you can craft two items total.

Can you make the same item twice?

Yes. You can reuse a mould for your second craft if you want a duplicate.

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What happens when you open the lava valve?

The first time you open it, Grym appears and the encounter begins.

Should you raise the forge platform after crafting?

Wait until you have completed the second craft. The location reference warns that raising the platform makes the forge nonfunctional until it is lowered again.

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