"Sure. I just passed a teahouse that looked quite nice. Let's go have some tea and chat for a while."
Han Changming readily agreed.
Long Dahai packed up his stall and followed Han Changming's group of three to a teahouse, where they reserved a private room.
Before long, the waiter came in carrying a steaming pot of spirit tea and two plates of pastries. He set down the tea and snacks, then withdrew.
After several cups of tea, the four of them began talking more freely.
"Fellow Daoist Han, I have something good here."
Long Dahai took out an exquisite azure jade box and handed it to Han Changming.
Han Changming opened the azure jade box. Inside lay a crystal-clear azure crystal that gave off waves of pure wood spiritual qi.
"A crystal core?"
Han Changming paused slightly. Some unusual demon beasts had no demon core within their bodies, only crystal cores—for instance, Stone Men.
Long Dahai nodded. "That's right. This is the crystal core of a sixth-rank Azure Thorn Flower Demon. It can be used to set up formations or cultivate rare spirit herbs."
The rarer a spirit herb or spirit fruit was, the more demanding it was of its environment. Special spirit water and spirit soil were needed to cultivate them, and sometimes even special formations had to be set up.
Wood demon crystal cores were not only formation materials; they could also be used in artifact refinement, making them highly valuable.
Han Changming pinched the azure crystal core between two fingers and inspected it carefully. It was extremely light, like a sheet of thin paper. He nodded and said, "I'll take this crystal core. Name your price, Fellow Daoist Long."
"The last time Fellow Daoist Han traded me a sixth-rank Blood Ganoderma Pill, Long received a tremendous