The sky was dim and fragmented, while howling astral winds swept through it, carrying an air of desolation and killing intent.
Dark clouds churned as black lightning danced within them. The earth lay utterly silent, without the slightest trace of life. Two terrifying auras permeated heaven and earth, enough to make even Mu Chen feel alarmed.
Under this pressure, he could not help but tense his nerves.
"Is this the Heavenly Emperor Mausoleum... These two auras should belong to the Devil Emperor who attacked the Ancient Heavenly Palace back then, and the Heavenly Emperor himself..."
Mu Chen felt that these two presences were far inferior to the Martial Ancestor's. He did not know whether they had truly been weaker than the Martial Ancestor, or whether their might had diminished after so many years.
Once he gradually adapted to the oppressive aura, the somewhat sluggish spiritual energy within Mu Chen's body returned to normal.
"A Meng, should we go in and explore first?" Mu Chen asked Di Er Meng for her opinion.
"Up to you. I'm not interested anyway."
Mu Chen hesitated for two seconds before ultimately deciding against it. The Martial Ancestor had spared Di Er Meng once before. If he obtained the One Qi Transforms into Three Pure Ones this time and drew the Martial Ancestor's attention to himself again, who knew what the consequences would be.
He crushed Mandala's Spatial Jade Slip.
A passage slowly appeared at his side.
Mandala, Liu Tiandao, and several other Earthly Sovereigns from the Northern Realm emerged from the passage.
The space within the Heavenly Emperor Mausoleum could fully support the free movement of Earthly Sovereigns, so Mu Chen had long since removed his own seal.
When Liu Tiandao saw Mu Chen, he was stunned for quite a while. Amid his astonishment, he