C261 A Sudden Disappearance!

Su Yuqing was convinced that someone else was pulling the strings for Pan Xu to target Chu Yan. Given Pan Xu's standing within the Broken Star Pavilion, there was no way he could have acquired the Colossal Waves Mountain Shaking Thunder on his own—it had to have been provided to him. That was one solid reason.

Another reason was the sheer overkill of using such a powerful weapon here