Black Desert / Knowledge categories / Precious MetalPrecious MetalParent category1GrindingKnowledge15Resplendent ObsidianObsidian OreResplendent JadeResplendent Lapis LazuliLapis LazuliResplendent DiamondDiamondResplendent EmeraldEmeraldResplendent TopazTopazResplendent SapphireSapphireResplendent RubyRubyShow less