A High-quality bronze bar is created during What's Mine is Yours by smelting a High-quality tin ore and a High-quality copper ore together. They can be smithed on an anvil into the High-quality bronze sword and High-quality bronze dagger that Doric has asked for. Later in the quest, Boric will give you eight additional bars from which you should smith an Ornamental chainbody, Ornamental platebody and a Shop sign.