He also buys ores off you (if you have mined them in the Dorgeshuun Mines). 60 coins for each silver ore and about 13.6 coins (rounded down) for each iron ore (13 for 1, 27 for 2, 40 for 3, 54 for 4, 68 for 5, 81 for 6, 95 for 7, 108 for 8, 122 for 9, 136 for 10, 272 for 20, 367 for 27). He can show you the way to Kazgar near the Lumbridge Castle cellar and to Dartog near the Lumbridge watermill dungeon after completing Death to the Dorgeshuun.