"Impossible…" As the sword formation appeared, countless spectators cried out in shock.
Because the pressure each immortal sword gave people wasn't inferior to the sword Chi Tong, who instantly killed the son of the Demon Emperor back then. And now, there were four swords!
They seemed to have combined into a sword formation, perfectly and harmoniously becoming the ultimate profundity.
The son of the Demon Emperor, Tian Shang, wielded a knife, indifferent to the distinction between knives and swords. He was astounded by the immense power of this sword formation, finding it unbelievable. The Immortal Slaying Sword Formation was composed of the four elements of space, fire, death, and gold, initially just a high-level divine skill.
