It was a strange rustling sound, mixed with the noise of gravel rubbing and water splattering... No matter what kind of sound it was, it was clearly deliberately suppressed, sounding extremely bizarre.
Noticing the sudden strange noise, Leo Ray and his subordinates, who were on the move, all halted in their tracks with serious expressions.
It had to be said that in this empty and spacious unfamiliar dungeon passage, the sudden faint noise was especially eye-catching.
Shortly after, under Leo Ray's gesture.
A line of people with solemn expressions began to slowly move to the right side of the passage, quietly standing near the edge of the cave wall.
Previously, when going forward, the group had been staying to the right in this vast underground passage.
Although everyone wore invisibility cloaks, capable of perfectly hiding them visually, there was still the risk of being discovered by their opponents.
