Xuanyuan Sword

The black tides that penetrated deep underground were the remnants the Black Demon Saint left behind.

Back then, the Black Demon Saint fought a fierce battle against that Sage Realm cultivator here.

Although he emerged victorious, the Sage Realm cultivator made a desperate counterattack before dying, spending all his strength to seal the Black Demon Saint within Cloud Mist Mountain, where he had remained for a hundred thousand years.

The seal placed by the Sage Realm cultivator...