C27 Audible thunder

Fu Lingfeng could not help feeling a little helpless, but he thought of his own cultivation base, the Formless Blade Technique.

The Formless Blade Technique had a sword technique that required a high level of agility: the Thunder Blade. It wasn't that he hadn't studied it before, but this technique's requirements were too high. In the end, it all ended in failure.

All this time