C1500 Killing Without a Trace

This martial art was akin to killing people without a trace.

Zhou Yan's eyes narrowed, revealing an intense greed. With a mere thought, he was ready to assimilate the Black Demon Technique into his body. But just as he was about to do so, a chilling voice erupted out of nowhere.

"Humph! The Black Demon Technique is the crown jewel of the Black Devil Cult