"Domain perfection, the True Saint Realm!"
After hearing Yin Hongluan's account, those words echoed through Gu Chenfeng's mind.
At the same time, his memories returned to that ancient decisive battle within the Time Wheel Space.
He recalled the Golden Divine Hall that the Four Saints of the Soul Devouring Beasts had summoned.
And the "golden giant hand" within it, which had once single-handedly suppressed the Four Great Experts of the Human and Demon Races, wielding the might to destroy heaven and earth.
Could that person have been a True Saint expert?
Gu Chenfeng immediately asked again, "Fellow Daoist Yin, could a True Saint expert appear on a lower plane?"
After a brief moment of thought, Yin Hongluan answered, "True Saint experts have comprehended the profound mysteries of laws and formed a connection with the Heavenly Dao. Naturally, they can move freely in the Upper Realm.
"But if they travel to a lower plane, they will be constrained and rejected by its Plane Laws. In theory, they cannot move about in the Lower Realm.
"There are exceptions, however... some True Saint experts can use special methods and external power to conceal part of heaven's workings and the Plane Laws, allowing them to act in the Lower Realm.
"But such conduct is also explicitly forbidden by the Upper Realm's Cultivation World, so it rarely occurs."
After hearing Yin Hongluan's explanation, Gu Chenfeng's heart stirred, and a suspicion had already formed.
Presumably, that Golden Divine Hall was the treasure that person used to conceal heaven's workings.
That divine hall had also been sealed within the Saint-Seizing Land back then. As long as he found that treasure, he would be able to pinpoint this mysterious expert.
Since the other party had not appeared in the Saint-Seizing Land for over ten thousand years, presumably some