Blue Diamond

The Blue Diamond is a resource that spawns in the backpack of Grandmaster miners. There is no special place to mine for this; any location that yields ore can spawn a resource gem. You also require a Blue Diamond to recharge the 8th Year veteran reward Weapon Engraving Tool. The Blue Diamond, among others, is an Imbuing ingredient and is required to craft the following items:

Arcane Circle (Item) Arcane Circle	True Spellblade True Spellblade	Silver-Etched Mace Silver-Etched Mace