Adamantine

Adamantine is a rare metal known for its unrivaled hardness, and appears in the game as the item Adamantine Slag. The location Adamantine Forge is named after the metal, as is the similarly named quest, which involves the creation of adamantine equipment, albeit using Mithral Ore:

• Adamantine Longsword
• Adamantine Scimitar
• Adamantine Mace
• Adamantine Shield
• Adamantine Scale Mail
• Adamantine Splint Armour