C465 furnace

"Yes yes yes, I know, but what exactly is that sword? Even grandfather's blade could not cut it."

Gu Fengyi looked at the perfectly fine stone sword in disbelief, there did not even seem to be a scratch on it.

It had to be known that Gu Fengnan's grandfather, Gu Feng Yan, was a knife-edge that was known in North Desert as the First Slash of the Rust Blade