Let me tell you something. I'm a joint jeweler. These are all in the hotel in Hellfire. First floor. Turn left when you enter the door. There is a painting sold by NPC. Tribes in the corresponding towns. These green drawings have been washed to 340 points. 340 to 350 10 ring is the fastest. 350-375 is cutting all kinds of sapphires. 375 began to learn purple formula. Personally, I suggest brushing the reputation of Haishan. The paintings there are very cheap.