C314 The Difficulty of Cultivating the Forbidden Technique

"Father, it's a forbidden technique. I can't believe the Patriarch of the Zhang Family would resort to using it!" Qin Ming expressed in disbelief.

"What's a forbidden technique?" Qin Yuan inquired, his curiosity piqued.

Qin Ming didn't respond, instead, his gaze shifted to Jue Wuya at his side.

Jue Wuya couldn't help but marvel