Even Su Fan's expression had turned solemn.
The shriek from afar carried a bone-piercing chill. It actually caused ripples that made one's heart tremble to spread once more through this space he had flattened with supreme might.
Because the space was so fragile, human Integration Stage experts and Ninth-Order Great Demons could not enter this core region.
Thus, as far as Su Fan was concerned, there were no Demons in the entire "Archaic Secret Realm" capable of threatening him.
But at this very moment, he clearly sensed that behind the sky-obscuring, sun-blocking flock of "Ink Feather Corpse Vultures" lurked a terrifying existence.
Yet the demonic cry that came from the edge of the horizon carried pressure no weaker than that of a Ninth-Order Great Demon, stabbing straight into his soul.
Moreover, Su Fan could clearly feel that the demonic bird hiding behind the densely packed "Ink Feather Corpse Vultures" was in no way inferior to him in Spiritual Sense.
One had to understand that among all cultivators of the same level, Su Fan's Spiritual Sense was absolutely an invincible existence.
Who could have thought that he would actually encounter a powerful demonic bird in the "Archaic Secret Realm" whose Spiritual Sense was on par with his own?
Therefore, out of caution, Su Fan truly did not dare to unleash another large-scale Soul Attack.
The sky that had just been cleared was once again filled with a dense mass of corpse vultures. Their eyes glimmered with a sinister green light, and they came pouncing toward him from all directions, as densely packed as dark clouds pressing down on a city.
Su Fan sneered. Just as he was about to attack, he sensed a surge of Spiritual power behind him.
He turned to look and saw Ding Xuan forming profound hand seals