The once-lively Rear Mountain suddenly fell silent.
Xie Changsheng, Song Chi, Zhou Yan, and Luo Hongyi, who had been chatting in the courtyard, flew out of the Side Hall almost simultaneously. Even the Si Household members on the Rear Mountain hurried over in bewilderment.
"Brother Si! Just now..."
Xie Changsheng was the first to land beside Si Chen. The law of time around him was fluctuating violently from that strange sensation moments ago.
Black Mountain arrived with his eyes full of horror as well.
"Brother, that just now... what was that? Why did I feel... so creeped out?"
Before Si Chen could answer, another eleven figures landed outside the Main Hall, their expressions grim.
They were Lu Yu, Chen Xu, Si Ming, and the other Immortal Emperors-eleven in all.
Although Si Chen had confined them to Undying Mountain, he had not completely restricted their movements.
At that moment, these giants who stood at the very pinnacle of the Immortal Realm looked more deathly pale than the last.
As Immortal Emperors, they had sensed that instant of heart-clenching dread more deeply than anyone else, and feared it more than anyone else.
Chen Xu looked at Si Chen's back, hesitated, then finally asked, "Did you... sense it?"
Si Chen slowly turned around. His face was expressionless, but anyone who knew him could tell that his mood was anything but pleasant.
"Several Lower Realm planes were completely annihilated just now."
"What?!"
His words instantly threw the crowd into an uproar.
Si Kai and his two brothers exchanged looks, their faces filled with horror.
The destruction of secret realms and Small Worlds was not uncommon.
But an entire plane?
What did that even mean? Such a thing was utterly unheard of!
A note of disbelief entered Zhou Yan's voice. "How is that possible? The