Chapter 455: Sword Emperor Stone Embryo, Seventh Heaven Sword Aura

"This Sword Emperor Stone Embryo is formed by absorbing the Sword Emperor's aura and is an invaluable treasure for breaking through to the Seventh Heaven of Sword Aura. If you can refine it within seven days, you'll smoothly step into the Seventh Heaven of Sword Aura!" said Venerable Qianji. "Step into the Seventh Heaven of Sword Aura? Doesn't our Tianyan Sword Sect have a sword aura diagram for study? We can still reach the Seventh Heaven through that," Noah Toby questioned with curiosity. "Studying...