Dropped by the Bandit Chief; also crafted at a workshop for 25,000 work points plus 4 soul steel, 5 gold, 9 jade, 3 purple orbs, a carving knife and a chisel, or by a level-145 jeweler from 10 tiger's eye stones, 10 bronze and 10 blue powder for 5,000,000 nyang (makes 2).