C523 The Ancient Sword Sucked Blood

Not to mention the refining level of Gu Xiao, who was a Bone King expert, he was already a Weapon Saint. Moreover, the wonders of the Heaven's Craftsmen Hammer Technique were the foundation of refining high-level weapons.

Therefore, the Heaven Rank High Grade Heavenly Halberd, to be exact, was Gu Xiao's work, and had little to do with Yuwen Tian.

However