C3487 Thunder Sovereign Battle Soul

The Sword Slave was the guardian of the Myriad Gods Ancestral Sword and he was also a member of the Sovereign of Extreme Dao back then.

And from ancient times till now, there seemed to only be one existence that could form Sovereign of Extreme Dao from the Sword Dao.

At this time, on top of the mountain peak within Gu Fei's inner world