Amberser never worried about not being able to find those rebellious Drow.
Since these subterranean elves were plotting a rebellion, they naturally wouldn't take their eyes off the movements of Withered Rose.
The explosion earlier must have rocked this Gloomyland to its very core.
At the very least, anyone with a bit of sense would surely send someone to investigate what had happened.
Amberser and Melina leading such a large group of escaped slaves was certainly the prime focus of their surveillance since they wanted to gather intelligence from these slaves.
Therefore, waiting passively was the best method.
When Melina spotted the spider-transformed Drow lurking in the shadows, Amberser also sensed someone spying on him.
"Father, they have come. Should we flush them out of the shadows?" Melina asked.
Amberser didn't answer but instead asked, "What do you think?"