Cold Marrow Fire Crystals were born in desolate lands where volcanoes and glaciers met. Adding one during Artifact Refining could grant a Magical Artifact dual attributes of ice and fire. However, they were extremely difficult to obtain and prohibitively expensive.
Earth Core Star Flowing Magma... Five-Colored Heaven Repairing Buds, Spatial Stones, Soul Gold, and so on...
The book recorded all sorts of rare and precious treasures from the Cultivation Realm that were exceedingly difficult to acquire. Adding any of them during Artifact Refining would produce wondrous effects and increase the power of the Magical Artifact.
Zhao Zuo read with great interest, continuing to flip through the pages.
Time passed, and it was around four in the afternoon. He had only read about halfway through the book because he wasn't just reading; he was committing the contents to memory.
