After a period of arduous work, most of the various resources originally obtained from the mining area had been transformed into immortal artifacts.
Regrettably, that was not an exceptionally high-grade mining area, and the quality of the resources that could be extracted from it was limited.
Consequently, most of the immortal artifacts Ye Xiaoyao forged were only of the fifth grade, along with a few lower sixth-grade ones.
Chapter 528