The Void Empire sent captives inside, where they underwent some terrifying process and became absolutely loyal warriors.
Those lives that had once possessed independent thoughts and emotions were now merely extensions of the Void Emperor's will.
The two continued observing and quickly discovered the fortress's operating patterns.
Transport ships entered and exited every few hours, continuously delivering "raw materials" and "products."
Judging by the scale, the Void Empire had already converted tens of thousands of people, and the pace was still accelerating.
"At this rate, it won't be long before they can assemble a Void Legion a million strong," Seraphina calculated from the data.
"And these warriors are far more powerful than ordinary Void Soldiers."
Lin Ye activated the listening device, attempting to gather more intelligence.
Soon, they intercepted a conversation between Void officers.
"How is the conversion progressing?" a deep voice asked.
"Very smoothly, sir," another voice answered respectfully.
"We have completed the third round of improvements. The new warriors' capabilities have exceeded expectations."
"They have not only retained their original races' unique abilities, but have also perfectly integrated Void Energy."
"For example, the warriors who were originally Elves can now use both nature magic and Void Power."
"Good. What about those Guardians?"
"The conversion of the Capricorn Guardian is nearly complete. His Constellation Powers have provided us with valuable data."
"The Libra leader has put up fierce resistance, but he has begun to yield under coercive measures."
"The conversion is expected to be complete in another twelve hours."
"What about that Pisces brat?"
"He is still unconscious, but His Majesty the Void Emperor said he would handle him personally."
"He seems very interested in the boy's abilities."
Hearing this conversation, Lin Ye's heart sank to the bottom.
Asteria and Titan were in even greater danger than he had