C55 Thunder Sword Technique!

Feng Zhentian brushed the rust from the sword in his grasp and nodded with approval. "Not bad, this sword is quite decent. It's far superior to my father's blade. I'll give this one to him!"

As he was about to return the sword to his Storage Ring, he paused, a frown creasing his brow. "Hmm, father's swordsmanship is competent, but he lacks a truly profound technique