Wang Daoyuan was taken aback. "Those ruined walls and broken ramparts turned back into a pass. If it wasn't an illusion technique, what else could it be?"
"For those shattered walls and ruined ramparts to become a formidable pass again, it truly is some sort of illusion technique.
As for those immortals and devils, though they have no physical bodies, they are not entirely illusions either.
I can be certain that we have not entered the range covered by an Illusion Formation.
It is not strange to see illusions from outside an Illusion Formation, but being able to sense the auras of those immortals and devils is far too abnormal."
Wang Daoyuan carefully sensed the immortals and devils within the barrier, then nodded. "They really do have extraordinarily realistic auras."
At that moment, a True Demon emerged from the Devil Race army besieging the city.
He raised the weapon in his hand and let out a shout. The countless devils soared into the air, each unleashing their own methods as they attacked the fortress.
The formations atop the fortress activated, and the True Immortals, Earth Immortals, and Great Powers all struck back.
Devil corpses fell one after another, and blood rained from the heavens.
Though the Immortal Realm side had the protection of Defensive Formations, their numbers were far fewer.
Amid the savage exchange of attack and defense, they were unable to gain any advantage.
Earth Immortals and Great Powers died without cease, their blood dyeing the entire fortress crimson.
A vast number of experts were packed into such a narrow place, with every sort of spell and divine ability flying through the sky. There was no room to evade, so casualties naturally could not be few.
In less than several hours, the fortress was forcibly blasted into ruins. Both