The Demon Sword had originally been only three feet long, but as the Nine Dao of World Extinction Qi coiled around it, it began to emit radiance, continuously growing longer and wider.
At the same time, the Demon Sword was absorbing the blood within Ning Xiaochuan's body, using his blood to condense its blade.
Very quickly, the Demon Sword became a full six feet long, its blade as wide as an arm. Fine crimson patterns coursed across the sword body, gathering into shapes like blood vessels.
If the former "Demon Sword" had merely been a strand of sword qi from the World Extinction Sword, then the current "Demon Sword" already possessed a sword body—a body condensed from Ning Xiaochuan's blood and the World Extinction Sword's sword qi.
Naturally, the Demon Sword's power could no longer be mentioned in the same breath as before; it had increased severalfold. Moreover, Ning Xiaochuan could control it with even greater ease, without worrying about suffering a backlash from its power.
While Ning Xiaochuan refined the Demon Sword, Yu Ningsheng, Dark Sky King, and Duanmu Linye stood guard for him, wary that Nie Lanxin might strike at him.
Although the Demon Sword had pierced Nie Lanxin's body, it had not struck any vital point. With her current cultivation, she could naturally suppress the sword wound on her body.
"Xiao Chuan, what's wrong?" Seeing Ning Xiaochuan open his eyes again, Yu Ningsheng asked with concern.
Ning Xiaochuan gently shook his head. Just as he was about to test the Demon Sword's current power, his legs suddenly trembled slightly, and an intense wave of weakness washed over him.
That sword strike with which Ning Xiaochuan had pierced Nie Lanxin's body earlier had not been Ning Xiaochuan's own power. It had been a trace of power transmitted by