As soon as they reached the Black Sand Desert, Lu Shang released all his Mutant Gold Devouring Beetles and let them begin devouring the Ironfire Ants.
At present, only Lu Shang's First-Generation Mutant Gold Devouring Beetles possessed strength far beyond the others.
The other offspring were all still larvae.
The First-Generation Mutant Gold Devouring Beetles were enormous, over an inch long, while the other larvae measured only one or two centimeters.
Lu Shang traveled with Zi Ling, and the Gold Devouring Beetles ate their way along behind him.
"Brother Lu, are these all Gold Devouring Beetles?"
Zi Ling had been puzzling over them throughout their journey.
It was not that Zi Ling had never read similar records in books on spirit insects. Rather, she found them strange.
Gold Devouring Beetle larvae should have silver bodies with golden spots, while mature beetles should be predominantly gold with some purple.
Lu Shang's Gold Devouring Beetles, however, were brilliant gold with faint red markings.
"It's a strange story. I only wanted to test how tough these Gold Devouring Beetles really were. Though I knew lightning and fire were the only things they feared, I was still curious. Unexpectedly, I nearly killed them all. Fortunately, a tiny handful survived, and they even mutated."
Lu Shang offered a brief explanation. He had no intention of discussing it further and brought the conversation to a hasty close.
Like low-level Demon Beasts, spirit insects could only survive in the Human Realm by banding together.
This was especially true of spirit insects.
A swarm of spirit insects often outnumbered a pack of Demon Beasts by dozens or even a hundred times.
A pack of Demon Beasts generally numbered only a few hundred.
Spirit insects, on the other hand, numbered around a thousand even when they first hatched. Although