Yu Baiyi couldn't help but scream aloud, "An earthquake!"
Even the Great Elder was unprepared; this tremor nearly snapped his aged back.
Upon regaining his senses, his first glance was towards the Array Mirror, then towards the heart of the Formation, and he exclaimed in shock, "The Formation is broken!"
The Formation was indeed broken.
Feng Jun had actually been considering whether to use the cross-dimensional power to destroy the Grand Formation.
However, he was unclear on how to use this power and could not predict its consequences.
Thus, he first used explosives, hoping to force Kunlun to intervene, open their gates, and invite him in.
Because he used explosives domestically, he initially used less, not just to avoid causing too much damage, but also worrying about the noise being detected by the earthquake bureau.
The first attempt was ineffective, so he planned to go big; as a result, Shen Qingyi stepped in to interfere.