Chapter 453: Sword Qi Like a Needle, Beyond Comprehension!

Seeing this scene, Xuan Ye was overjoyed. This meant his method worked; by condensing the qi sword, its power not only increased, but its speed could also double! Now, it wasn't just a qi sword anymore, but a needle sword! Sword Qi like a needle, beyond comprehension! Xuan Ye didn't stop there, as the needle sword could still become stronger and faster. He continued to experiment tirelessly. With his focus, the needle sword became as thin as a strand of cow hair, almost invisible to the naked eye....