Outside the Ancient Mansion, in the air.
The four of them—Li Zhantian, Li Daoyi, Lei Xiaotian, and Qi Chongshan—stared at the powerful thunderclouds gathering in the sky, their hearts once again filled with shock.
'A Fourth-Grade Gu Yuexi can actually summon such immense Thunder Power?'
And it was still growing stronger.
This Thunder Power had already reached the Heaven and Earth Power Level.
To summon the Power of Heaven and Earth, one needed to be at least in the Seventh-Grade Realm. That was a gap of three entire realms!
At this moment, even Li Zhantian, who had maintained a grim expression, was astonished. His gaze was fixed on the ground below, as if trying to pierce through the layers of the Ancient Mansion to see what was happening inside.
Below them, the scene spanning hundreds of miles was utterly spine-chilling.
The millions of mutated citizens had stopped surging forward.
