The moon was dark, and the wind was high.
Although the Immortal Emperor and the master had taken this into account when designing the battlefield,
there was a vast plain between the high mountains and the city walls, intended to ensure that the enemy would be spotted as soon as they stepped onto the plain, to prevent a surprise attack.
However, if the Nefarious Demon Region intentionally hid its tracks and aura, it would also significantly reduce the preparation time of The Mortal Realm and the Immortal Realm for the battle, which would definitely have an impact.
Fortunately, Ye Qiubai and others noticed this scene in time.
Before setting out, the Immortal Emperor had given Ye Qiubai and the others a voice transmission jade pendant to report any situation at any time.
Now, it seemed to have served its purpose in advance.
The moment the message was sent out,
