C688 The Mysteries of Copper from Head Mountain

"Indeed! It is the Xuanyuan Sword!"

Tian Leizi's voice, heavy as thunder, echoed through the courtyard.

The disciples of the Taoist Alliance gasped in unison, unable to hide the astonishment in their eyes.

"The actual material for forging the Xuanyuan Sword? This is a treasure of legend!"

"Hiss..