Wang Daoyuan naturally understood the value of these two refining materials.
Nether Abyss Cold Iron was an Ice Attribute refining material nurtured within the icy seas.
Besides releasing vast amounts of cold qi to injure enemies like ordinary Ice Attribute materials, it could also absorb immense quantities of cold qi.
Artifacts forged from Nether Abyss Cold Iron had remarkable effects when dealing with Ice Attribute cultivators.
Moreover, Nether Abyss Cold Iron was exceptionally strong, ranking among the finest materials of its tier.
No matter what kind of artifact it was used to refine, there was no need to worry about its strength.
More than a hundred jin of Nether Abyss Cold Iron was worth far more than a million Spirit Stones.
If it had been placed on Rare Treasures Island in the past, people would have fought over it even at one and a half million Spirit Stones.
The value of Lava Fire Crystal was considerably higher than that of Nether Abyss Cold Iron.
Its name alone made it clear that it was nurtured within lava.
Moreover, for Lava Fire Crystal to form, earthfire first had to be born within the lava.
Lava Fire Crystal was formed when certain metal materials were roasted by earthfire over a long period, shedding all impurities and absorbing immense amounts of earthfire essence.
The value of earthfire essence depended on its foundation.
Different raw metal materials produced different kinds of Lava Fire Crystal.
No matter what kind of Lava Fire Crystal it was, its value was extraordinarily high.
Even if its strength was not great, the immense earthfire essence contained within it was no mere decoration.
When refining Fire Attribute artifacts, adding some as supplementary material could greatly increase an artifact's value.
Artifacts infused with earthfire essence gained a tremendous increase in power when