2. Gems are randomly obtained from mineral processing, and the probability of obtaining high-grade gems from high-grade ores is slightly higher.
3. To synthesize high-grade gems from low-grade gems, you always need a CD, just like an alchemist's transformation and a tailor's washing cloth.
4. The previous version of high-grade gemstones still obtained jewelry tokens through jewelry making, and then exchanged jewelry patterns with jewelers, such as the processed patterns of various queen garnets.