There weren't just Invisible Monsters here. Other Starry Sky Giant Beasts were here too, and without exception, they had all reached the Star Envoy level. Their duty here was to transport humanoid Progenitor Relics—or, more accurately, to guard them.
Just then, a voice sounded by his ear. "A life-form is approaching." Then Sound Monster emerged not far away.
The Giant Beast Starfield Twin Monsters usually acted together. Even at the Star Envoy level, there were Invisible Monsters and Sound Monsters here who had reached that level.
Lu Yin had read the Invisible Monster's memories and knew this place was highly secretive. Still, life-forms occasionally approached. No matter what they were, they were wiped out the moment they got close. Even high-ranking members of the Heavenly Demon Empire—or even its crown prince, Yao Xuan—would have to die if they stumbled upon this place without National Teacher Bu Tian's permission.
Lu Yin controlled the Invisible Monster's body and followed Sound Monster out. As he stepped forward, a dark starry sky appeared before him. The place he had just left was inside a spatial rift, just like the Cold Immortal Sect ruins.
This was an extremely remote part of the Heavenly Demon Empire, but it was also deep within the empire.
Sound Monster had already attacked. The creatures that had come here were a species known as Snow Fire Dragon Beasts. They were only average in the Giant Beast Starfield, nowhere near qualifying for the Heavenly Beast Ranking. The ones before them appeared to be an entire clan of Snow Fire Dragon Beasts, which had stumbled upon the spatial rift and tried to enter. Now, they faced extinction.
Sound Monster alone wiped out the entire clan with ease.
"Why didn't you attack?" Sound Monster demanded.
"Lu Yin" replied, "There was no need."
"Have