Zhang Yang's face turned a bit pale as he looked at Qingyunzi. He truly hadn't expected that once these demons unleashed their full power, they would be so terrifying.

These creatures had been suppressed for a thousand years, their strength continuously waning, yet they still possessed such formidable power?

At this moment, he somewhat understood why the Azurecloud Sect had declined to its current state.

Suppressing so many powerful demons, it was impressive enough that they hadn't been annihilated.