Green Luo, Rosy Dawn Peak.
Inside the Bright Sun Furnace, earth baleful fire burned a vivid red along the furnace floor, while starstream flame floated above it, exceedingly light. Blue tongues of flame spread, scattering starlight.
Wang Xiwei waved his hand, releasing a strand of purple-black spiritual fire into the furnace. It burned with an eerie glow, alternating between heat and cold, making the furnace flames falter. The heat grew unstable, turning cold one moment and hot the next.
Xu Xuan stood nearby. He had brought this [lesser nether poison fire] especially for his senior brother, thinking that, as a Foundation Establishment spiritual fire, it ought to have some use in artifact refining. But now, it seemed-
"This fire alternates between heat and cold. Its temperature is extremely difficult to control. A Foundation Establishment cultivator would manage, but in the hands of a Qi Refining cultivator, it would probably ruin whatever they tried to refine."
Watching the flames shift inside the furnace, Wang Xiwei knitted his brows. He withdrew the spiritual fire into his hand and examined its nature.
"Although it cannot be used for artifact refining, this spiritual fire would be formidable in combat. Its shifts between heat and cold target the soul."
"Used directly as a refining material, it should yield quite a few powerful artifacts."
Xu Xuan considered this briefly, then asked quietly:
"Senior Brother, how confident would you be in refining a Foundation Establishment artifact now?"
Wang Xiwei sighed. His tigerlike eyes shifted as he began leafing through The Smith's Manual of Fire Tending and Weapons. Only after searching for some time did he say:
"There are a few ways for Qi Refining cultivators to refine Foundation Establishment artifacts. One is joint refinement, with everyone casting together. Another is nurturing weapons with the aid of a