What Zhou Yi had just taken out was none other than the Demon Sealing Monument.
Back then, because of the "secrets" hidden within the Demon Sealing Monument, he had betrayed his master, the Martial Emperor Shi Qi, as well as the Lost Stone Forest.
However, to this day, apart from knowing that the Demon Sealing Monument could be used as a quasi-Emperor-grade spirit weapon, he had failed to uncover any of its other uses.
Chapter 1258