Ember Flame Venerate and Blood River Venerate had known Xiao Yang and the others' whereabouts for a simple reason: the Soul Hall had always kept an eye on Xiao Yang.
In fact, the Soul Hall kept tabs on every Eighth-grade Alchemist on the continent.
After Xiao Yang was certified as an Eighth-grade Alchemist by the Pill Tower, he came under the Soul Hall's attention.
With the Soul Hall's capabilities, planting a few pawns within the Pill Tower was very easy.
However, Sacred Pill City was, after all, the Pill Tower's headquarters, and the Lesser Pill Tower even had Dou Saint experts.
Old Ancestor Dan Ta himself was also an existence above a Five-star Dou Saint.
Furthermore, the Soul Clan did not wish to expose its plans for the time being.
Thus, the Soul Hall did not dare make a move within the Pill Tower and completely tear off all pretenses with it.
As a faction composed of countless alchemists, the Pill Tower had extensive connections.
Even the Soul Hall did not wish to face the Pill Tower.
However, once they left the Pill Tower—especially after leaving the Middle Region—the Soul Hall would certainly seek every possible opportunity to strike.
The moment Xiao Yang left Sacred Pill City, the Soul Hall learned of it.
Since he had traveled entirely through fixed spatial passages, it was easy to guess where he was heading.
Ember Flame Venerate and Blood River Venerate had been waiting for them in Nanyan City for some time.
After all, the Soul Hall's Half Saints could not be dispatched lightly.
Once they moved, other factions might notice.
The Pill Tower knew that the Soul Hall had always secretly captured alchemists' souls, so it had also kept watch over the Soul Hall's experts.
Therefore, the Soul Hall could only send