"This material is named 'Green Soft Crystal'," Li Yao said. "It is a very common crystal that can be burnt with spiritual energy. The ignition point of the material is 525 degrees. Because of the high stability it boasts, the material is often adopted in the defense rune arrays and the stabilization rune arrays.
"Because it is steady enough and highly compatible with many other materials, it is helpful during the craft of many kinds of magical equipment. Therefore, almost every refiner will carry one or two pieces of the material with them."
Cui Lingfeng was slightly dazed, looking at Li Yao in confusion.
"However, the 'Green Soft Crystal' in my hands is not from the stock of Firefly but purchased in the Dragon Snake Space Zone, where it does not go by the name. The local term for the material is 'Emerald Brightness Crystal'.